Research Topics
Genomes and GenesSpecies | Patrick HeagertySummaryAffiliation: University of Washington Country: USA Publications
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Publications
Partly conditional survival models for longitudinal dataYingye Zheng
Fred Hutchinson Cancer Research Center, 1100 Fairview Avenue N, M2 B230, P O Box 19024, Seattle, Washington 98109 1024, USA
Biometrics 61:379-91. 2005..The proposed methods allow a flexible characterization of the association between a longitudinal covariate process and a survival time, and facilitate the direct prediction of survival probabilities in the time-varying covariate setting...
Prospective accuracy for longitudinal markersYingye Zheng
Fred Hutchinson Cancer Research Center, 1100 Fairview Ave N, M2 B500, P O Box 19024, Seattle, Washington 98109 1024, USA
Biometrics 63:332-41. 2007..We illustrate the new methods by analyzing a well-known data set from HIV research, the Multicenter AIDS Cohort Study data...
On outcome-dependent sampling designs for longitudinal binary response data with time-varying covariatesJonathan S Schildcrout
Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, TN 37232 2158, USA
Biostatistics 9:735-49. 2008....
Analysis of recently identified dyslipidemia alleles reveals two loci that contribute to risk for carotid artery diseaseJames Ronald
Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, WA, USA
Lipids Health Dis 8:52. 2009....
A prospective cohort study of surgical treatment for back pain with degenerated discs; study protocolRichard A Deyo
Department of Medicine, Seattle, Washington 98104, USA
BMC Musculoskelet Disord 6:24. 2005..Little is known about how patients undergoing lumbar fusion compare in preoperative physical and psychological function to patients who have degenerative discs, but receive only non-surgical care...
Towards standardized measurement of adverse events in spine surgery: conceptual model and pilot evaluationSohail K Mirza
Center for Cost and Outcomes Research, University of Washington, Seattle, Washington, USA
BMC Musculoskelet Disord 7:53. 2006....
Randomized clinical trial of surgery versus conservative therapy for carpal tunnel syndrome [ISRCTN84286481]Brook I Martin
Department of Medicine, Division of General Internal Medicine, Multidisciplinary Clinical Research Center, Box 359736, 325 Ninth Ave Seattle, Washington 98104, USA
BMC Musculoskelet Disord 6:2. 2005..There is an increasing interest in the usefulness of wrist magnetic resonance imaging could play in predicting who will benefit for various treatments...
Hearing aid effectiveness after aural rehabilitation - individual versus group (HEARING) trial: RCT design and baseline characteristicsMargaret P Collins
Health Services Research and Development Center of Excellence, VA Puget Sound Health Care System, 1100 Olive Way, Suite 1400, Seattle, WA 98101, USA
BMC Health Serv Res 9:233. 2009..We describe the rationale, design, and characteristics of the baseline cohort of the first randomized clinical trial to study the impact of group versus individual hearing aid fitting and follow-up visits...
Survival model predictive accuracy and ROC curvesPatrick J Heagerty
Department of Biostatistics, University of Washington, P O Box 357232, Seattle, Washington 98195 7232, USA
Biometrics 61:92-105. 2005..Semiparametric estimation methods appropriate for both proportional and nonproportional hazards data are introduced, evaluated in simulations, and illustrated using two familiar survival data sets...
Marginalized transition models and likelihood inference for longitudinal categorical dataPatrick J Heagerty
Department of Biostatistics, University of Washington, Seattle 98195, USA
Biometrics 58:342-51. 2002..The methods naturally extend the first-order Markov models of Azzalini (1994, Biometrika 81, 767-775) and prove computationally feasible for long series...
Cost-effectiveness of collaborative care for depression in a primary care veteran populationChuan Fen Liu
Health Services Research and Development Center of Excellence, VA Puget Sound Health Care System, 1660 South Columbian Way, Seattle, WA 98108, USA
Psychiatr Serv 54:698-704. 2003..This study examined the incremental cost-effectiveness of a collaborative care intervention for depression compared with consult-liaison care...
Association of genetic variation in serum amyloid-A with cardiovascular disease and interactions with IL6, IL1RN, IL1beta and TNF genes in the Cardiovascular Health StudyCara L Carty
Department of Epidemiology, University of Washington, WA, USA
J Atheroscler Thromb 16:419-30. 2009..Interaction of the SAA genes with genetic variants of their regulators, IL-1, IL-6 and TNF-alpha in influencing CVD was also explored...
Multi-modality mediastinal staging for lung cancer among medicare beneficiariesFarhood Farjah
Surgical Outcomes Research Center, Department of Surgery, University of Washington, Seattle, WA 98195 6410, USA
J Thorac Oncol 4:355-63. 2009..It is unknown how frequently multimodality mediastinal staging is used, or whether its use is associated with better health outcomes...
The influence of patient preference on depression treatment in primary carePatricia Lin
Health Services Research and Development Center of Excellence, VA Puget Sound Health Care System, Seattle, WA 98108, USA
Ann Behav Med 30:164-73. 2005..CONCLUSIONS: Obtaining preferred treatment appears to contribute to improved treatment outcome. Continued attempts to assess for and accommodate treatment preferences might result in better response to depression treatment...
Semiparametric estimation of time-dependent ROC curves for longitudinal marker dataYingye Zheng
Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, 1100 Fairview Avenue North, Seattle, WA 98109, USA
Biostatistics 5:615-32. 2004..1999, Medical Decision Making, 19, 242-251) suggests that the ability to relax distributional assumptions may be important in practice...
Study protocol: the Back Pain Outcomes using Longitudinal Data (BOLD) registryJeffrey G Jarvik
Department of Radiology, University of Washington, Seattle, WA, USA
BMC Musculoskelet Disord 13:64. 2012....
Marginalized models for moderate to long series of longitudinal binary response dataJonathan S Schildcrout
Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, Tennessee 37232, USA
Biometrics 63:322-31. 2007..Data from the Madras Longitudinal Schizophrenia Study (Thara et al., 1994, Acta Psychiatrica Scandinavica 90, 329-336) are analyzed...
Interaction between fibrinogen and IL-6 genetic variants and associations with cardiovascular disease risk in the Cardiovascular Health StudyCara L Carty
Department of Epidemiology, University of Washington, Seattle, USA
Ann Hum Genet 74:1-10. 2010..Although IL-6 responsive binding sites are present in fibrinogen gene promoter regions, we did not find strong evidence of interaction between fibrinogen SNPs and IL6 SNPs or levels influencing CVD...
Winter respiratory viruses and health care use: a population-based study in the northwest United StatesKathleen M Neuzil
Department of Medicine, University of Washington School of Medicine, Seattle, USA
Clin Infect Dis 37:201-7. 2003..1-1.5) per 1000 low-risk individuals aged 18-49 years, to 10.6 (95% CI, 7.5-13.6) per 1000 high-risk individuals aged >or=65 years. Each year, circulation of influenza and RSV coincide with predictable increases in medical care use...
A critical evaluation of critical pathways in head and neck cancerBevan Yueh
Health Services Research and Development Service, Veterans Affairs Puget Sound Health Care System, Seattle, WA 98108, USA
Arch Otolaryngol Head Neck Surg 129:89-95. 2003..Critical pathways have been purported to decrease resource utilization in the management of head and neck cancer. Prior reports have documented shorter lengths of stay (LOS) for pathway patients than for historical cohorts...
Prediction of diabetic foot ulcer occurrence using commonly available clinical information: the Seattle Diabetic Foot StudyEdward J Boyko
Epidemiologic Research and Information Center, VA Puget Sound Health Care System S 152E, 1660 S Columbian Way, Seattle, WA 98108, USA
Diabetes Care 29:1202-7. 2006..We conducted a prospective study of the individual and combined effects of commonly available clinical information in the prediction of diabetic foot ulcer occurrence...
TagSNP analyses of the PON gene cluster: effects on PON1 activity, LDL oxidative susceptibility, and vascular diseaseChristopher S Carlson
The Fred Hutchinson Cancer Research Center, Division of Public Health Sciences, The University of Washington, Seattle, USA
J Lipid Res 47:1014-24. 2006....
Screening for Auditory Impairment-Which Hearing Assessment Test (SAI-WHAT): RCT design and baseline characteristicsBevan Yueh
Health Services Research and Development Service, VA Puget Sound Health Care System, 1660 S Columbian Way, Seattle, WA 98108, USA
Contemp Clin Trials 28:303-15. 2007..We describe the rationale and design of the first randomized clinical trial to study the long-term effects of routine screening for hearing loss. We also describe the baseline characteristics of the randomized cohort...
The relationship between electrodiagnostic findings and patient symptoms and function in carpal tunnel syndromeLeighton Chan
Department of Rehabilitation Medicine, University of Washington, Seattle, WA, USA
Arch Phys Med Rehabil 88:19-24. 2007....
Magnetic resonance imaging compared with electrodiagnostic studies in patients with suspected carpal tunnel syndrome: predicting symptoms, function, and surgical benefit at 1 yearJeffrey G Jarvik
Department of Radiology, University of Washington, Seattle, WA 98195, USA
J Neurosurg 108:541-50. 2008....
Marginal mark regression analysis of recurrent marked point process dataBenjamin French
Department of Biostatistics, University of Washington, Seattle, Washington 98195 7232, USA
Biometrics 65:415-22. 2009..We conclude with the recommendation that analysts carefully explore both the exposure and event time processes prior to implementing a repeated measures analysis of recurrent marked point process data...
Including injured workers without compensated time loss in Cox regression models: analyzing time loss using all available dataJeanne M Sears
Department of Health Services, School of Public Health and Community Medicine, University of Washington, Box 357660, Seattle, WA 98195, USA
J Occup Rehabil 18:225-32. 2008..We present a novel technique based on standard survival analysis methods to allow for the inclusion of all cases when appropriate...
Development of an index to characterize the "invasiveness" of spine surgery: validation by comparison to blood loss and operative timeSohail K Mirza
Department of Orthopedics and Sports Medicine, Center for Cost and Outcomes Research, and University of Washington, Seattle, WA, USA
Spine (Phila Pa 1976) 33:2651-61; discussion 2662. 2008..Prospective cohort study...
Physical activity, physical exertion, and miscarriage risk in women textile workers in Shanghai, ChinaEva Y Wong
Department of Epidemiology, School of Public Health and Community Medicine, University of Washington, Seattle, Washington, USA
Am J Ind Med 53:497-505. 2010..Strenuous occupational physical activity and physical demands may be risk factors for adverse reproductive outcomes...
Detection of the HE4 protein in urine as a biomarker for ovarian neoplasmsIngegerd Hellstrom
Department of Pathology, University of Washington, Seattle, WA 98104, USA
Cancer Lett 296:43-8. 2010..5% of patients with serous ovarian carcinoma. Assaying serum and urine from the same patients showed similar sensitivity. Our data indicate that measuring HE4 in urine may aid diagnosis and the monitoring of response to therapy...
Development of a predictive model for long-term survival after lung transplantation and implications for the lung allocation scoreCynthia J Gries
Department of Medicine, University of Washington, Seattle, WA, USA
J Heart Lung Transplant 29:731-8. 2010..Validated survival modeling is important for guiding clinical decision-making, case-mix adjustment in comparative effectiveness research and refinement of the lung allocation system (LAS)...
Analysis of longitudinal data to evaluate a policy changeBenjamin French
Department of Biostatistics, University of Washington, Seattle, WA 98195 7232, USA
Stat Med 27:5005-25. 2008..Analysts must carefully decide which methods are appropriate for their application and must be aware of the differences between methods to select a procedure that generates valid inference...
Colorectal cancer among Asians and Pacific Islanders in the U.S.: survival disadvantage for the foreign-bornJohn H Choe
Department of Medicine, University of Washington School of Medicine, Harborview Medical Center, 325 Ninth Avenue, Box 359780, Seattle, WA 98104, USA
Cancer Detect Prev 29:361-8. 2005..Asian Americans and Pacific Islanders (AAPI) have better colorectal cancer survival than other racial populations. However, immigrants face challenges that may place them at higher risk for late diagnosis and death...
Effect of therapeutic footwear on foot reulceration in patients with diabetes: a randomized controlled trialGayle E Reiber
VA Puget Sound Health Care System 152, 1660 S Columbian Way, Seattle, WA 98108, USA
JAMA 287:2552-8. 2002..Many people with diabetes experience lower-limb ulcers. Footwear has been implicated as a primary cause of foot ulcers, yet research is limited on the efficacy of shoe and insert combinations to prevent reulceration...
Vitamin C and E intake is associated with increased paraoxonase activityGail P Jarvik
Department of Medicine, Division of Medical Genetics, University of Washington 98195, USA
Arterioscler Thromb Vasc Biol 22:1329-33. 2002..Vitamins C and E, dietary antioxidants, scavenge free-oxygen radical products that may depress PON1 activity. Therefore, we evaluated the relationship between dietary vitamin C and E intake and PON1 activity...
Genetic and nongenetic sources of variation in phospholipid transfer protein activityGail P Jarvik
Department of Medicine Division of Medical Genetics, University of Washington, Seattle, WA, USA
J Lipid Res 51:983-90. 2010..These results demonstrate that PLTP activity is strongly influenced by PLTP region polymorphisms and metabolic factors...
Paraoxonase activity, but not haplotype utilizing the linkage disequilibrium structure, predicts vascular diseaseGail P Jarvik
Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, Wash, USA
Arterioscler Thromb Vasc Biol 23:1465-71. 2003..The effects of paraoxonase (PON1) activity and of genetic variation in the PON1 promoter and coding region on carotid artery disease (CAAD) were investigated...
The effect of alcohol consumption on the prevalence of iron overload, iron deficiency, and iron deficiency anemiaGeorge N Ioannou
Department of Medicine and Division of Gastroenterology, University of Washington Medical Center, and VA Medical Center, 1660 S Columbian Way, Seattle, WA 98108, USA
Gastroenterology 126:1293-301. 2004..Our aim was to investigate the relationship between alcohol consumption and iron overload, iron deficiency, or iron deficiency anemia in the U.S. population...
Marginalized transition models for longitudinal binary data with ignorable and non-ignorable drop-outBrenda F Kurland
National Alzheimer s Coordinating Center, University of Washington, Department of Epidemiology, 4311 11th Ave NE 300, Seattle, WA 98105, USA
Stat Med 23:2673-95. 2004..MTM and IPCW-GEE regression parameters both display misspecification bias for MAR and non-ignorable missing data, and both reduce bias noticeably by improving model fit...
The association between pain and disabilityJudith A Turner
Department of Psychiatry and Behavioral Sciences, University of Washington School of Medicine, Seattle, WA 98195 6560, USA
Pain 112:307-14. 2004....
A comparison between audio computer-assisted self-interviews and clinician interviews for obtaining the sexual historyAnn E Kurth
Center for AIDS and STD, University of Washington, Seattle, Washington 98195 7266, USA
Sex Transm Dis 31:719-26. 2004..The objective of this study was to compare reporting between audio computer-assisted self-interview (ACASI) and clinician-administered sexual histories...
Three-year incidence of low back pain in an initially asymptomatic cohort: clinical and imaging risk factorsJeffrey G Jarvik
Department of Radiology, University of Washington, Seattle, Washington 98195, USA
Spine (Phila Pa 1976) 30:1541-8; discussion 1549. 2005..Prospective cohort study of randomly selected Veterans Affairs out-patients without baseline low back pain (LBP)...
Directly parameterized regression conditioning on being alive: analysis of longitudinal data truncated by deathsBrenda F Kurland
National Alzheimer s Coordinating Center, University of Washington, 4311 11th Avenue NE 300, Seattle, WA 98105, USA
Biostatistics 6:241-58. 2005..Simulation studies and an analysis of monthly disability status illustrate potential bias in regression methods that do not explicitly condition on survival...
Statistical approaches to group sequential monitoring of postmarket safety surveillance data: current state of the art for use in the Mini-Sentinel pilotAndrea J Cook
Biostatistics Unit, Group Health Research Institute, Seattle, WA 98101, USA
Pharmacoepidemiol Drug Saf 21:72-81. 2012....
Genetic variation in LPAL2, LPA, and PLG predicts plasma lipoprotein(a) level and carotid artery disease riskJames Ronald
Department of Medicine, Division of Medical Genetics, University of Washington Medical Center Box 357720, Seattle, WA 98195 7720, USA
Stroke 42:2-9. 2011..The relationship between genetic variation in the LPA gene region and CAAD risk remains unknown...
Validation of case-mix measures derived from self-reports of diagnoses and healthVincent S Fan
Health Services Research and Development Center of Excellence, VA Puget Sound Health Care System, Seattle, WA 98108 1597, USA
J Clin Epidemiol 55:371-80. 2002....
Regression analysis of longitudinal binary data with time-dependent environmental covariates: bias and efficiencyJonathan S Schildcrout
Department of Biostatistics, Vanderbilt University, S 2323 Medical Center North, Nashville, TN 37232 2158, USA
Biostatistics 6:633-52. 2005..We find that the impact of covariance model choice depends highly on the specific structure of the data features, and that key aspects should be examined before choosing a weighting scheme...
TagSNP evaluation for the association of 42 inflammation loci and vascular disease: evidence of IL6, FGB, ALOX5, NFKBIA, and IL4R loci effectsChristopher S Carlson
Division of Public Health Sciences, The Fred Hutchinson Cancer Research Center, The University of Washington, Seattle, WA, USA
Hum Genet 121:65-75. 2007..The NFKBIA and IL10RA expression levels significantly differed between subjects with CAAD and controls. These results support a role for genetic variation related to inflammation in CAAD and a causal role for specific gene products...
Release from prison--a high risk of death for former inmatesIngrid A Binswanger
Puget Sound Veterans Affairs Medical Center, Seattle, USA
N Engl J Med 356:157-65. 2007..The period immediately after release may be challenging for former inmates and may involve substantial health risks. We studied the risk of death among former inmates soon after their release from Washington State prisons...
Inflammatory response after influenza vaccination in men with and without carotid artery diseaseCara L Carty
University of Washington, Department of Epidemiology, Seattle, Wash, USA
Arterioscler Thromb Vasc Biol 26:2738-44. 2006..CONCLUSIONS: Influenza vaccination results in a mild, but measurable, APR in men with and without CAAD. SAA APR variability may be a predictor of severe vascular disease that is independent of basal SAA level...
Marginal modeling of nonnested multilevel data using standard softwareDiana L Miglioretti
Group Health Center for Health Studies, Seattle, WA 98101, USA
Am J Epidemiol 165:453-63. 2007..Performance with a small number of clusters is discussed. Both the simulations and the example demonstrate the importance of accounting for the correlation within all levels of clustering for proper inference...
Surgery versus non-surgical therapy for carpal tunnel syndrome: a randomised parallel-group trialJeffrey G Jarvik
Department of Radiology, School of Medicine, University of Washington, Seattle, WA, USA
Lancet 374:1074-81. 2009..Our aim was to compare surgical versus multi-modality, non-surgical treatment for patients with carpal tunnel syndrome without denervation. We hypothesised that surgery would result in improved functional and symptom outcomes...
Elevated prevalence of hepatitis C infection in users of United States veterans medical centersJason A Dominitz
Epidemiologic Research and Information Center VA Puget Sound Health Care System, Seattle, WA 98108 1597, USA
Hepatology 41:88-96. 2005..In conclusion, the prevalence of hepatitis C in these subjects exceeds the estimate from the general US population by more than 2-fold, likely reflecting more exposure to traditional risk factors among these veterans...
Racial differences in the relationship between hepatitis C infection and iron storesGeorge N Ioannou
Department of Medicine and Division of Gastroenterology, University of Washington, Seattle, WA 98195, USA
Hepatology 37:795-801. 2003..This finding may partly explain the reduced response of HCV-positive African-Americans to antiviral treatment...
Study protocol- Lumbar Epidural steroid injections for Spinal Stenosis (LESS): a double-blind randomized controlled trial of epidural steroid injections for lumbar spinal stenosis among older adultsJanna L Friedly
Comparative Effectiveness, Cost and Outcomes Research Center, University of Washington, Seattle, USA
BMC Musculoskelet Disord 13:48. 2012....
Dialectical behavior therapy versus comprehensive validation therapy plus 12-step for the treatment of opioid dependent women meeting criteria for borderline personality disorderMarsha M Linehan
Behavioral Research and Therapy Clinics, Department of Psychology, University of Washington, Box 351525, Seattle, WA 98195 1525, USA
Drug Alcohol Depend 67:13-26. 2002..A noteworthy secondary finding was that DBT participants were significantly more accurate in their self-report of opiate use than were those assigned to CVT + 12S...
Effectiveness of collaborative care depression treatment in Veterans' Affairs primary careSusan C Hedrick
Health Services Research and Development Center of Excellence, the VA Puget Sound Health Care System, Seattle, Wash 98108, USA
J Gen Intern Med 18:9-16. 2003..In CL care, study clinicians informed the primary care provider of the diagnosis and facilitated referrals to psychiatry residents practicing in the primary care clinic...
A genetic expression profile associated with oral cancer identifies a group of patients at high risk of poor survivalEduardo Mendez
Department of Otolaryngology Head and Neck Surgery, University of Washington, Seattle, WA 98109 1024, USA
Clin Cancer Res 15:1353-61. 2009..To determine if gene expression signature of invasive oral squamous cell carcinoma (OSCC) can subclassify OSCC based on survival...
Safety and efficacy of video-assisted versus conventional lung resection for lung cancerFarhood Farjah
Department of Surgery, Surgical Outcomes Research Center, University of Washington, Seattle, Wash 98195 6310, USA
J Thorac Cardiovasc Surg 137:1415-21. 2009..We sought to evaluate the use of video-assisted thoracoscopy among patients with lung cancer and its safety and effectiveness relative to conventional resection...
VA community-based outpatient clinics: quality of care performance measuresAshley N Hedeen
Health Services Research and Development, Northwest Center for Outcomes Research in Older Adults, VA Puget Sound Health Care System, Seattle, Washington 98108, USA
Med Care 40:570-7. 2002..The Veterans Health Administration (VHA) recently initiated a system of Community-Based Outpatient Clinics (CBOCs) to enhance delivery of primary care to veterans...
The nationwide frequency of major adverse outcomes in antireflux surgery and the role of surgeon experience, 1992-1997David R Flum
Department of Surgery, University of Washington, Seattle 98195-7183, USA
J Am Coll Surg 195:611-8. 2002..Surgical experience with the procedure was linked to better outcomes...
Hospital volume and the outcomes of mechanical ventilationJeremy M Kahn
Division of Pulmonary and Critical Care Medicine, University of Washington, Seattle 98104, USA
N Engl J Med 355:41-50. 2006..Further research is needed to determine the mechanism of the relationship between volume and outcome among patients with a critical illness. Copyright 2006 Massachusetts Medical Society...
Motor cortex organization after stroke is related to side of stroke and level of recoveryAnna C Zemke
Department of Neurology, University of Washington, Seattle, USA
Stroke 34:e23-8. 2003..The findings may have implications for treatment after stroke...
Safety and acceptability of the Reality condom for anal sex among men who have sex with menCristina Renzi
Department of Medicine, University of Washington, Seattle 98104, USA
AIDS 17:727-31. 2003..Design modifications, training, and research on the clinical significance of safety outcomes are needed for use of Reality condoms with anal sex...
Marginal modeling of multilevel binary data with time-varying covariatesDiana L Miglioretti
Center for Health Studies, Group Health Cooperative, USA
Biostatistics 5:381-98. 2004..Implications of time-varying endogenous covariates are addressed. The methods are illustrated using data from the Breast Cancer Surveillance Consortium to estimate mammography accuracy from a repeatedly screened population...
Population-based trends in volumes and rates of ambulatory lumbar spine surgeryDarryl T Gray
Center for Quality Improvement and Patient Safety, Agency for Healthcare Research and Quality, Rockville, MD 20850, USA
Spine (Phila Pa 1976) 31:1957-63; discussion 1964. 2006..Sequential cross-sectional study...
A common VLDLR polymorphism interacts with APOE genotype in the prediction of carotid artery disease riskDana C Crawford
Department of Molecular Physiology and Biophysics, Center for Human Genetics Research, Vanderbilt University, Nashville, TN, USA
J Lipid Res 49:588-96. 2008..These findings may further our understanding of VLDLR function, its ligand APOE, and ultimately the pathogenesis of CAAD in the general population...
INvestigational Vertebroplasty Efficacy and Safety Trial (INVEST): a randomized controlled trial of percutaneous vertebroplastyLeigh A Gray
Department of Radiology, Mayo Clinic College of Medicine, Rochester, MN, USA
BMC Musculoskelet Disord 8:126. 2007..Spine X-rays will be obtained at the end of the study (month 12) to determine subsequent fracture rates. Our co-primary outcomes are the modified Roland score and pain numerical rating scale at 1 month...
Apolipoprotein E genotype and neurodevelopmental sequelae of infant cardiac surgeryJ William Gaynor
Division of Cardiothoracic Surgery, The Children s Hospital of Philadelphia, PA 19104, USA
J Thorac Cardiovasc Surg 126:1736-45. 2003..Polymorphisms of apolipoprotein E have been identified as a risk factor for worse neurologic recovery after central nervous system injury...
Medicaid acceptance and availability of timely follow-up for newborns with MedicaidAlison A Galbraith
Department of Ambulatory Care and Prevention, Harvard Pilgrim Health Care, Harvard Medical School, Boston, MA 02215, USA
Pediatrics 116:1148-54. 2005....
Potential confounding by exposure history and prior outcomes: an example from perinatal epidemiologyPenelope P Howards
Division of Epidemiology, Statistics, and Prevention Research, National Institute of Child Health and Human Development, Bethesda, Maryland 20892, USA
Epidemiology 18:544-51. 2007..There is no single answer as to whether reproductive history should be included in the model; the decision depends on the research question and the underlying DAG...
Daily weight-bearing activity does not increase the risk of diabetic foot ulcersJoseph W Lemaster
Department of Family and Community Medicine, University of Missouri, Columbia, MO 65212, USA
Med Sci Sports Exerc 35:1093-9. 2003....
Sexual risk, nitrite inhalant use, and lack of circumcision associated with HIV seroconversion in men who have sex with men in the United StatesSusan P Buchbinder
AIDS Office, San Francisco Department of Public Health, San Francisco, CA, USA
J Acquir Immune Defic Syndr 39:82-9. 2005..8, PAR = 7%). Having a large number of male sex partners, nitrite inhalant use, and engaging in receptive anal sex explained the majority of infections in this cohort and should be targeted in prevention strategies for MSM...
Analysis of repeated pregnancy outcomesGermaine Buck Louis
Division of Epidemiology, Statistics and Prevention Research, National Institute of Child Health and Human Development, 6100 Executive Blvd, Room 7B03, Rockville, MD 20852, USA
Stat Methods Med Res 15:103-26. 2006..We illustrate the issues by analysing a sample from the Collaborative Perinatal Project dataset, demonstrating how the statistical model impacts summary statistics and inferences when assessing etiologic determinants of birth weight...
Research Grants
- STATISTICAL METHODS FOR LONGITUDINAL STUDIESPatrick Heagerty; Fiscal Year: 2006..This aim will develop flexible likelihood-based estimation methods for categorical longitudinal data. ..
