Joan L Warren

Summary

Affiliation: National Institutes of Health
Country: USA

Publications

  1. ncbi Data sources for measuring comorbidity: a comparison of hospital records and medicare claims for cancer patients
    Carrie N Klabunde
    Health Services and Economics Branch, Applied Research Program, National Cancer Institute, Bethesda, MD 20892 7344, USA
    Med Care 44:921-8. 2006
  2. ncbi Costs of treatment for elderly women with early-stage breast cancer in fee-for-service settings
    Joan L Warren
    Applied Research Program, National Cancer Institute, Executive Plaza North, Rm 4005, 6130 Executive Blvd, Bethesda, MD 20892 7344, USA
    J Clin Oncol 20:307-16. 2002
  3. ncbi The frequency of ipsilateral second tumors after breast-conserving surgery for DCIS: a population based analysis
    Joan L Warren
    Health Services and Economics Branch Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland 20892 7344, USA
    Cancer 104:1840-8. 2005
  4. ncbi Evaluation of trends in the cost of initial cancer treatment
    Joan L Warren
    Health Services and Economics Branch Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Executive Plaza North, Rm 4005, 6130 Executive Blvd, MSC 7344, Bethesda, MD 20892 7344, USA
    J Natl Cancer Inst 100:888-97. 2008
  5. ncbi Current and future utilization of services from medical oncologists
    Joan L Warren
    Applied Research Program, and the Surveillance Research Program, National Cancer Institute, Bethesda, MD 20892 7344, USA
    J Clin Oncol 26:3242-7. 2008
  6. ncbi Adverse events after outpatient colonoscopy in the Medicare population
    Joan L Warren
    National Cancer Institute, Bethesda, Maryland 20892 7344, USA
    Ann Intern Med 150:849-57, W152. 2009
  7. ncbi Narrative review: statin-related myopathy
    Tisha R Joy
    Robarts Research Institute and Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
    Ann Intern Med 150:858-68. 2009
  8. ncbi End-of-life care for lung cancer patients in the United States and Ontario
    Joan L Warren
    Health Services and Economics Branch, Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20892 7344, USA
    J Natl Cancer Inst 103:853-62. 2011
  9. ncbi Overview of the SEER-Medicare data: content, research applications, and generalizability to the United States elderly population
    Joan L Warren
    Applied Research Program, National Cancer Institute, Bethesda, Maryland 20892 7344, USA
    Med Care 40:IV-3-18. 2002
  10. ncbi Comparison of approaches for estimating incidence costs of care for colorectal cancer patients
    K Robin Yabroff
    Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland 20892, USA
    Med Care 47:S56-63. 2009

Detail Information

Publications53

  1. ncbi Data sources for measuring comorbidity: a comparison of hospital records and medicare claims for cancer patients
    Carrie N Klabunde
    Health Services and Economics Branch, Applied Research Program, National Cancer Institute, Bethesda, MD 20892 7344, USA
    Med Care 44:921-8. 2006
    ..Identifying appropriate comorbidity data sources is a key consideration in health services and outcomes research...
  2. ncbi Costs of treatment for elderly women with early-stage breast cancer in fee-for-service settings
    Joan L Warren
    Applied Research Program, National Cancer Institute, Executive Plaza North, Rm 4005, 6130 Executive Blvd, Bethesda, MD 20892 7344, USA
    J Clin Oncol 20:307-16. 2002
    ....
  3. ncbi The frequency of ipsilateral second tumors after breast-conserving surgery for DCIS: a population based analysis
    Joan L Warren
    Health Services and Economics Branch Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland 20892 7344, USA
    Cancer 104:1840-8. 2005
    ..This analysis of women treated with breast-conserving surgery (BCS) evaluated the impact of radiation therapy (RT) in patient outcomes...
  4. ncbi Evaluation of trends in the cost of initial cancer treatment
    Joan L Warren
    Health Services and Economics Branch Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Executive Plaza North, Rm 4005, 6130 Executive Blvd, MSC 7344, Bethesda, MD 20892 7344, USA
    J Natl Cancer Inst 100:888-97. 2008
    ..Despite reports of increases in the cost of cancer treatment, little is known about how costs of cancer treatment have changed over time and what services have contributed to the increases...
  5. ncbi Current and future utilization of services from medical oncologists
    Joan L Warren
    Applied Research Program, and the Surveillance Research Program, National Cancer Institute, Bethesda, MD 20892 7344, USA
    J Clin Oncol 26:3242-7. 2008
    ..This analysis assesses current utilization patterns and projects the number of people with cancer and their use of oncologists' services through 2020...
  6. ncbi Adverse events after outpatient colonoscopy in the Medicare population
    Joan L Warren
    National Cancer Institute, Bethesda, Maryland 20892 7344, USA
    Ann Intern Med 150:849-57, W152. 2009
    ..Although use of colonoscopy has increased substantially among elderly Medicare beneficiaries, no one has described colonoscopy-related adverse events in a representative sample of Medicare patients...
  7. ncbi Narrative review: statin-related myopathy
    Tisha R Joy
    Robarts Research Institute and Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
    Ann Intern Med 150:858-68. 2009
    ....
  8. ncbi End-of-life care for lung cancer patients in the United States and Ontario
    Joan L Warren
    Health Services and Economics Branch, Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20892 7344, USA
    J Natl Cancer Inst 103:853-62. 2011
    ..Both the United States and Canada offer government-financed health insurance for the elderly, but few studies have compared care at the end of life for cancer patients between the two systems...
  9. ncbi Overview of the SEER-Medicare data: content, research applications, and generalizability to the United States elderly population
    Joan L Warren
    Applied Research Program, National Cancer Institute, Bethesda, Maryland 20892 7344, USA
    Med Care 40:IV-3-18. 2002
    ..The use of this database to study cancer screening, treatment, outcomes, and costs has grown in recent years...
  10. ncbi Comparison of approaches for estimating incidence costs of care for colorectal cancer patients
    K Robin Yabroff
    Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland 20892, USA
    Med Care 47:S56-63. 2009
    ..The objective of this study was to compare 3 approaches for estimating the incidence costs of colorectal cancer (CRC) care using similar patient populations, but different data sources and methods...
  11. ncbi Comparison of approaches for estimating prevalence costs of care for cancer patients: what is the impact of data source?
    K Robin Yabroff
    Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland 20892 7344, USA
    Med Care 47:S64-9. 2009
    ....
  12. ncbi Cost of care for elderly cancer patients in the United States
    K Robin Yabroff
    Health Services and Economics Branch Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Executive Plaza North, Rm 4005, 6130 Executive Blvd, MSC 7344, Bethesda, MD 20892 7344, USA
    J Natl Cancer Inst 100:630-41. 2008
    ..We estimated net costs of care for elderly cancer patients in the United States for the 18 most prevalent cancers and for all other tumor sites combined...
  13. ncbi A refined comorbidity measurement algorithm for claims-based studies of breast, prostate, colorectal, and lung cancer patients
    Carrie N Klabunde
    Health Services and Economics Branch, Applied Research Program, National Cancer Institute, Bethesda, MD 20892 7344, USA
    Ann Epidemiol 17:584-90. 2007
    ....
  14. ncbi Patient time costs associated with cancer care
    K Robin Yabroff
    Health Services and Economics Branch, Division of Cancer Control and Population Sciences, National Cancer Institute, Executive Plaza North, Rm 4005, 6130 Executive Blvd, MSC 7344, Bethesda, MD 20892 7344, USA
    J Natl Cancer Inst 99:14-23. 2007
    ..In this study, we estimated patient time costs associated with cancer care in patients aged 65 years and older in the United States...
  15. ncbi Hematopoietic malignancies associated with viral and alcoholic hepatitis
    Lesley A Anderson
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, 6120 Executive Blvd, EPS 7076 Rockville, MD 20892, USA
    Cancer Epidemiol Biomarkers Prev 17:3069-75. 2008
    ..In summary, HCV, but not other causes of hepatitis, was associated with the elevated risk of non-Hodgkin lymphoma and acute myeloid leukemia. HCV may induce lymphoproliferative malignancies through chronic immune stimulation...
  16. ncbi Use of surveillance, epidemiology, and end results-medicare data to conduct case-control studies of cancer among the US elderly
    Eric A Engels
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland 20892, USA
    Am J Epidemiol 174:860-70. 2011
    ..With awareness of limitations, investigators have in SEER-Medicare data a valuable resource for epidemiologic research on cancer etiology...
  17. ncbi Utility of the SEER-Medicare data to identify chemotherapy use
    Joan L Warren
    Applied Research Program, National Cancer Institute, Bethesda, Maryland 20892 7344
    Med Care 40:IV-55-61. 2002
    ..However, the validity and completeness of these data as a source of information has not been established...
  18. ncbi Overview of the SEER--Medicare Health Outcomes Survey linked dataset
    Anita Ambs
    National Cancer Institute NCI, Bethesda, MD 20892 7344, USA
    Health Care Financ Rev 29:5-21. 2008
    ..This article provides a description of the SEER-MHOS data as a tool to study cancer among Medicare enrollees. In order to highlight the strengths of the database, we also present some descriptive statistics from the database...
  19. ncbi Measuring complications of cancer treatment using the SEER-Medicare data
    Arnold L Potosky
    Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland 20892 7344, USA
    Med Care 40:IV-62-8. 2002
    ..One category of outcomes amenable to research using Medicare claims is complications of cancer treatments: the unintentional, adverse side effects or sequelae of interventions used to treat or palliate cancer patients...
  20. ncbi Association between colonoscopy and colorectal cancer mortality in a US cohort according to site of cancer and colonoscopist specialty
    Nancy N Baxter
    Keenan ResearchCentre, Li Ka Shing Knowledge Institute, andDivision of General Surgery, St Michael s Hospital, University of Toronto, 30 Bond Street, Toronto, Ontario, Canada
    J Clin Oncol 30:2664-9. 2012
    ..We designed this study to evaluate the association of colonoscopy with colorectal cancer (CRC) death in the United States by site of CRC and endoscopist specialty...
  21. ncbi Racial differences in the receipt of bowel surveillance following potentially curative colorectal cancer surgery
    Gary L Ellison
    Macro International, QRC Division, Bethesda, MD 20814-3202, USA
    Health Serv Res 38:1885-903. 2003
    ..More research is needed to explore the influences of patient- and provider-level factors on racial differences in posttreatment bowel surveillance...
  22. ncbi Assessing comorbidity using claims data: an overview
    Carrie N Klabunde
    Health Services and Economics Branch, Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland 20892 7344, USA
    Med Care 40:IV-26-35. 2002
    ..The assessment of comorbidity using claims data is a complex and evolving area of investigation...
  23. ncbi Costs of cancer care in the USA: a descriptive review
    K Robin Yabroff
    Health Services and Economics Branch, Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD 20892 7344, USA
    Nat Clin Pract Oncol 4:643-56. 2007
    ....
  24. ncbi Increased risk for lymphoid and myeloid neoplasms in elderly solid-organ transplant recipients
    Scott C Quinlan
    Infections and Immunoepidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Department of Health and Human Services, 6120 Executive Boulevard, EPS 7076, Rockville, MD 20892, USA
    Cancer Epidemiol Biomarkers Prev 19:1229-37. 2010
    ....
  25. ncbi Estimating patient time costs associated with colorectal cancer care
    K Robin Yabroff
    Health Services and Economics Branch Applied Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, Maryland 20892 7344, USA
    Med Care 43:640-8. 2005
    ..Nonmedical costs of care, such as patient time associated with travel to, waiting for, and seeking medical care, are rarely measured systematically with population-based data...
  26. ncbi Chronic fatigue syndrome and subsequent risk of cancer among elderly US adults
    Cindy M Chang
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland 20892, USA
    Cancer 118:5929-36. 2012
    ..Because cancer can arise from similar conditions, associations between CFS and cancer were examined in a population-based case-control study among the US elderly...
  27. ncbi The prevalence of patients with colorectal carcinoma under care in the U.S
    Angela Mariotto
    Division of Cancer Control and Population Sciences, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892 8317, USA
    Cancer 98:1253-61. 2003
    ..The objective of this study was to estimate the proportion of elderly patients with colorectal carcinoma (CRC) in the U.S. that actually were receiving care for their disease as a better quantification of the burden of CRC...
  28. ncbi Adjuvant therapy for breast cancer: practice patterns of community physicians
    Linda C Harlan
    Applied Research Program, National Cancer Institute, Bethesda, MD 20892, USA
    J Clin Oncol 20:1809-17. 2002
    ..We evaluated the use of adjuvant therapy for breast cancer using the National Institutes of Health (NIH) Consensus Development Conference statements as guideposts for assessing how rapidly community physicians adopt recommended therapies...
  29. ncbi Blood transfusions and the subsequent risk of hematologic malignancies
    Cindy M Chang
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland 20892, USA
    Transfusion 50:2249-57. 2010
    ..Blood transfusions are associated with viral transmission and immunomodulation, perhaps increasing subsequent risk of hematologic malignancies (HMs). Prior studies of transfusion recipients have lacked details on specific HM subtypes...
  30. ncbi Population-based study of autoimmune conditions and the risk of specific lymphoid malignancies
    Lesley A Anderson
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD 20892, USA
    Int J Cancer 125:398-405. 2009
    ..These results support a mechanism whereby chronic antigenic stimulation leads to lymphoid malignancy...
  31. ncbi Identifying specific chemotherapeutic agents in medicare data: a validation study
    Jennifer L Lund
    Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC Health Services and Economics Branch, Division of Cancer Control and Population Sciences, National Cancer Institute, Bethesda, MD Division of Hematology and Oncology, School of Medicine, University of Virginia, Charlottesville, VA Division of Gastroenterology and Hepatology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC
    Med Care 51:e27-34. 2013
    ..Misclassification of chemotherapy could bias estimates of frequency and association, warranting an updated assessment...
  32. ncbi Cancer risk among elderly persons with end-stage renal disease: a population-based case-control study
    Fatma M Shebl
    Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Department of Health and Human Services, Rockville, MD, USA
    BMC Nephrol 13:65. 2012
    ..Patients with end-stage renal disease (ESRD) have elevated cancer risk. Cancer risk increases with age, but associations of ESRD with specific malignancies are incompletely studied for older individuals...
  33. ncbi Methodological issues in the use of administrative claims data to study surveillance after cancer treatment
    Ann Butler Nattinger
    Department of Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
    Med Care 40:IV-69-74. 2002
    ..Administrative claims databases linked to tumor registry data provide an excellent opportunity for studying the follow-up care of cancer patients...
  34. ncbi Studying radiation therapy using SEER-Medicare-linked data
    Beth A Virnig
    Division of Health Services Research and Policy, University of Minnesota, Minneapolis, Minnesota 55455, USA
    Med Care 40:IV-49-54. 2002
    ..Numerous studies have used the SEER or Medicare data to assess the use of radiation therapy. However, the completeness of these data has not been evaluated...
  35. ncbi Use of SEER-Medicare data for measuring cancer surgery
    Gregory S Cooper
    Department of Medicine, Case Western Reserve University, Cleveland, Ohio, USA
    Med Care 40:IV-43-8. 2002
    ..The accuracy and completeness of the SEER-Medicare data for measuring cancer-related therapy have not been extensively evaluated...
  36. ncbi Measuring breast, colorectal, and prostate cancer screening with medicare claims data
    Jean L Freeman
    Sealy Center on Aging, University of Texas Medical Branch, Galveston, Texas 77555 0460, USA
    Med Care 40:IV-36-42. 2002
    ..Medicare claims may be a useful source of data when screening older populations, but they are limited in terms of completeness and the ability to distinguish screening tests from those provided for diagnosis or surveillance...
  37. ncbi Patient demographic and socioeconomic characteristics in the SEER-Medicare database applications and limitations
    Peter B Bach
    Health Outcomes Research Group, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York 10021, USA
    Med Care 40:IV-19-25. 2002
    ..Finally, they describe the available data on date of death, and explain why confidence in these measures is justified...
  38. ncbi Variations in morbidity after radical prostatectomy
    Colin B Begg
    Health Outcomes Research Group, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York 10021, USA
    N Engl J Med 346:1138-44. 2002
    ..Recent studies of surgery for cancer have demonstrated variations in outcomes among hospitals and among surgeons. We sought to examine variations in morbidity after radical prostatectomy for prostate cancer...
  39. ncbi Identifying cancer relapse using SEER-Medicare data
    Craig C Earle
    Department of Adult Oncology, Dana Farber Cancer Institute, Boston, Massachusetts 02115, USA
    Med Care 40:IV-75-81. 2002
    ..Linking administrative data to registry data, as in the creation of the SEER (Surveillance, Epidemiology, and End Results) and Medicare data set, can provide the ability to infer the occurrence of relapse in selected situations...
  40. ncbi Comparison of cancer diagnosis and treatment in Medicare fee-for-service and managed care plans
    Gerald F Riley
    Office of Research, Development, and Information, Centers for Medicare and Medicaid Services, Baltimore, Maryland 21244, USA
    Med Care 46:1108-15. 2008
    ..To compare the Medicare managed care (MC) and fee-for-service (FFS) sectors on stage at diagnosis and treatment patterns for prostate, female breast, and colorectal cancers, and to examine patterns across MC plans...
  41. ncbi Associations between hospital and surgeon procedure volumes and patient outcomes after ovarian cancer resection
    Deborah Schrag
    Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, NY 10021, USA
    J Natl Cancer Inst 98:163-71. 2006
    ..e., hospital or surgeon) procedure volumes and patient outcomes have been demonstrated for many types of cancer operation. We performed a population-based cohort study to examine these associations for ovarian cancer resections...
  42. ncbi Surveillance endoscopy does not improve survival for patients with local and regional stage colorectal cancer
    Scott D Ramsey
    Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109, USA
    Cancer 109:2222-8. 2007
    ..The population included Medicare patients (age >or=65 years) who were diagnosed with local or regional stage colorectal cancer between 1986 and 1996...
  43. ncbi Explaining black-white differences in receipt of recommended colon cancer treatment
    Laura Mae Baldwin
    Department of Family Medicine, University of Washington, Seattle, WA 98195 4982, USA
    J Natl Cancer Inst 97:1211-20. 2005
    ..This retrospective cohort study examines the degree to which health systems (e.g., physician, hospital) factors explain black-white disparities in colon cancer care...
  44. ncbi Re: Acute myeloid leukemia or myelodysplastic syndrome following use of granulocyte colony-stimulating factors during breast cancer adjuvant chemotherapy
    Joan L Warren
    J Natl Cancer Inst 99:1050; author reply 1051-2. 2007
  45. ncbi Data sources for measuring colorectal endoscopy use among Medicare enrollees
    Anna P Schenck
    The Carolinas Center for Medical Excellence, 100 Regency Forest, Suite 200, Cary, NC 27511 8598, USA
    Cancer Epidemiol Biomarkers Prev 16:2118-27. 2007
    ..We compared ascertainment of sigmoidoscopy and colonoscopy between three data sources: self reports, Medicare claims, and medical records...
  46. ncbi Comorbidity and early diagnosis of head and neck cancer in a Medicare population
    Britt C Reid
    Health Services Research Program, Department of Health Promotion and Policy, School of Dentistry, University of Maryland, Baltimore, Maryland 21201, USA
    Am J Prev Med 27:373-8. 2004
    ..Comorbidity was hypothesized to affect the relationship between use of healthcare services and stage of disease...
  47. ncbi Survival benefits and trends in use of adjuvant therapy among elderly stage II and III rectal cancer patients in the general population
    Sharon A Dobie
    Department of Family Medicine, University of Washington, Seattle, Washington 98195, USA
    Cancer 112:789-99. 2008
    ..This study examined elderly stage II and III rectal cancer patients' adjuvant chemoradiation therapy adherence, trends in adherence over time, and the relation of levels of adherence to mortality...
  48. ncbi Evaluation of claims, medical records, and self-report for measuring fecal occult blood testing among medicare enrollees in fee for service
    Anna P Schenck
    The Carolinas Center for Medical Excellence, Cary, NC 27511 8598, USA
    Cancer Epidemiol Biomarkers Prev 17:799-804. 2008
    ..Medicare claims have been used to measure CRC testing but the validity of using claims to measure fecal occult blood tests (FOBT) has not been established...
  49. ncbi Chemotherapy in women with breast cancer
    Linda C Harlan
    Ann Intern Med 139:868; author reply 868-9. 2003
  50. ncbi Can cancer registry data be used to study cancer treatment?
    Joan L Warren
    Med Care 41:1003-5. 2003
  51. ncbi Identifying and measuring hospital characteristics using the SEER-Medicare data and other claims-based sources
    Deborah Schrag
    Health Outcomes Research Group, Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York 10021, USA
    Med Care 40:IV-96-103. 2002
    ....
  52. ncbi Effect of surgeon specialty on processes of care and outcomes for ovarian cancer patients
    Craig C Earle
    Department of Medical Oncology, Dana Farber Cancer Institute, Boston, MA 02115, USA
    J Natl Cancer Inst 98:172-80. 2006
    ..e., better outcomes). We examined associations between physician specialty and outcomes in a population-based cohort of elderly ovarian cancer surgery patients...
  53. ncbi Chemotherapy in the elderly
    Joan L Warren
    N Engl J Med 346:622-3. 2002