Research Topics
| Heejung BangSummaryAffiliation: University of North Carolina Country: USA Publications
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Detail Information
Publications
Median regression with censored cost dataHeejung Bang
Department of Biostatistics, University of North Carolina, Chapel Hill 27514, USA
Biometrics 58:643-9. 2002..The methods are applied to a dataset for medical costs of patients with colorectal cancer...- Estimating treatment effects in studies of perinatal transmission of HIVHeejung Bang
Department of Biostatistics, University of North Carolina, 137E Franklin Street, Suite 400, Chapel Hill, NC 27599 8030, USA
Biostatistics 5:31-43. 2004..We can further apply our methodology to the study of other vertically transmissible infections which are potentially fatal pre- and perinatally... 
A hypertension risk score for middle-aged and older adultsAbhijit V Kshirsagar
Department of Medicine, UNC Kidney Center and Division of Nephrology and Hypertension, School of Medicine, Chapel Hill, NC 27599, USA
J Clin Hypertens (Greenwich) 12:800-8. 2010..75-0.78) in the testing sample at 3, 6, and 9 years of follow-up. This risk calculator may aide health care providers in guiding discussions with patients about the risk for progression to hypertension...
A simple algorithm to predict incident kidney diseaseAbhijit V Kshirsagar
Division of Nephrology and Hypertension, Department of Medicine, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 7155, USA
Arch Intern Med 168:2466-73. 2008..Despite the growing burden of chronic kidney disease (CKD), there are no algorithms (to our knowledge) to quantify the effect of concurrent risk factors on the development of incident disease...- Historical records as a source of information for childhood socioeconomic status: results from a pilot study of decedentsKathryn M Rose
Department of Epidemiology, University of North Carolina at Chapel Hill, NC 27514, USA
Ann Epidemiol 18:357-63. 2008..We investigated the feasibility of using data from historical records to validate recalled parental SES... - Blood pressure usually considered normal is associated with an elevated risk of cardiovascular diseaseAbhijit V Kshirsagar
UNC Kidney Center, School of Medicine, University of North Carolina at Chapel Hill, USA
Am J Med 119:133-41. 2006..Additional information among individuals with a high risk of cardiovascular disease complications may help to focus current and future efforts... - The effect of cholesterol reduction with cholestyramine on renal functionAbhijit V Kshirsagar
University of North Carolina Kidney Center, Chapel Hill, NC, USA
Am J Kidney Dis 46:812-9. 2005..We performed a secondary analysis of a large existing cohort to determine whether treatment with cholestyramine improved renal function compared with placebo... - Assessment of blinding in clinical trialsHeejung Bang
Department of Biostatistics, University of North Carolina at Chapel Hill, 137 E Franklin Street, Chapel Hill, NC 27599, USA
Control Clin Trials 25:143-56. 2004..It has the ability to detect a relatively low degree of blinding, response bias and different behaviors in two arms. The proposed method is applied to a clinical trial of cholesterol-lowering medication in a group of elderly people... - Medical cost analysis: application to colorectal cancer data from the SEER Medicare databaseHeejung Bang
Division of Biostatistics and Epidemiology, Department of Public Health, Weill Medical College of Cornell University, 411 East 69th Street, New York, NY 10021, USA
Contemp Clin Trials 26:586-97. 2005..This approach would be greatly helpful to policy makers who seek to prioritize health care expenditures and to assess the elements of resource use... - Transmission of HIV-1 through breastfeeding among women in Dar es Salaam, TanzaniaWafaie Fawzi
Department of Nutrition, Harvard School of Public Health, Boston, Massachusetts 02115, USA
J Acquir Immune Defic Syndr 31:331-8. 2002..Transmission of HIV-1 through breastfeeding is a major problem, although its timing is not well characterized... - Lipoprotein-associated phospholipase A2, high-sensitivity C-reactive protein, and risk for incident coronary heart disease in middle-aged men and women in the Atherosclerosis Risk in Communities (ARIC) studyChristie M Ballantyne
Section of Atherosclerosis and Lipoprotein Research, Department of Medicine, Baylor College of Medicine, and Methodist DeBakey Heart Center, Houston, Tex 77030, USA
Circulation 109:837-42. 2004..Lipoprotein-associated phospholipase A2 (Lp-PLA2) is a proinflammatory enzyme associated primarily with LDL... - Randomized trial of vitamin supplements in relation to transmission of HIV-1 through breastfeeding and early child mortalityWafaie W Fawzi
Department of Nutrition, Harvard School of Public Health, Boston, MA 02115, USA
AIDS 16:1935-44. 2002..HIV-1 transmission through breastfeeding is a global problem and has been associated with poor maternal micronutrient status... - Vitamin Intervention For Stroke Prevention trial: an efficacy analysisJ David Spence
The Stroke Prevention and Atherosclerosis Research Centre, Robarts Research Institute, London, Ontario, Canada
Stroke 36:2404-9. 2005..The criteria for this subgroup were defined before any data analysis... - The role of herpes simplex virus type 2 and other genital infections in the acquisition of HIV-1 among high-risk women in northern TanzaniaSaidi H Kapiga
Department of Population and International Health, Harvard School of Public Health, Boston, MA 02115, USA
J Infect Dis 195:1260-9. 2007.... - Blinding in clinical trials, time to do it betterJongbae Park
Complement Ther Med 16:121-3. 2008 - A varying-coefficient model for the evaluation of time-varying concomitant intervention effects in longitudinal studiesColin O Wu
Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, MD 20892, USA
Stat Med 27:3042-56. 2008..Our methods are demonstrated through a longitudinal clinical trial in depression and heart disease and a simulation study... - The association between HIV infection and alcohol use: a systematic review and meta-analysis of African studiesJoseph C Fisher
Interdata Inc, Sanibel, FL 33957, USA
Sex Transm Dis 34:856-63. 2007..61-2.58) for problem drinkers, a statistically significant difference (z = 2.08, P <0.04). Alcohol use was associated with HIV infection in Africa and alcohol-related interventions might help reduce further expansion of the epidemic... - On the equivalence of some medical cost estimators with censored dataHongwei Zhao
Department of Biostatistics and Computational Biology, University of Rochester, Rochester, NY 14642, USA
Stat Med 26:4520-30. 2007..We illustrate these relationships using an example from a clinical trial examining the effectiveness of implantable cardiac defibrillators in preventing death among people who had prior myocardial infarctions... - SCreening for Occult REnal Disease (SCORED): a simple prediction model for chronic kidney diseaseHeejung Bang
Department of Public Health, Division of Biostatistics and Epidemiology, Weill Medical College of Cornell University, New York, NY, USA
Arch Intern Med 167:374-81. 2007..Despite the wide availability and low cost of serum creatinine measurement, at-risk populations are not routinely tested for chronic kidney disease (CKD)... - Oral pentoxifylline combined with pentavalent antimony: a randomized trial for mucosal leishmaniasisPaulo R L Machado
Servico de Imunologia, Hospital Universitario Prof Edgard Santos, Universidade Federal da Bahia, Salvador Bahia, Brazil
Clin Infect Dis 44:788-93. 2007..We previously showed that an inhibitor of tumor necrosis factor-alpha (pentoxifylline) combined with Sb(v) cured 90% patients refractory to monotherapy with Sb(v)... - Tutorial in biostatistics: Analyzing associations between total plasma homocysteine and B vitamins using optimal categorization and segmented regressionHeejung Bang
Division of Biostatistics and Epidemiology, Department of Public Health, Weill Medical College of Cornell University, New York, NY 10021, USA
Neuroepidemiology 27:188-200. 2006..These methods are often complementary in discovering the underlying complex pattern of association... - On estimating treatment effects under non-compliance in randomized clinical trials: are intent-to-treat or instrumental variables analyses perfect solutions?Heejung Bang
Division of Biostatistics and Epidemiology, Department of Public Health, Weill Medical College of Cornell University, New York, NY 10021, USA
Stat Med 26:954-64. 2007..We found that intent-to-treat and instrumental variables estimators are not perfect and can be problematic in some situations although these two estimators carry desirable properties as we assume... - Doubly robust estimation in missing data and causal inference modelsHeejung Bang
Division of Biostatistics and Epidemiology, Department of Public Health, Weill Medical College of Cornell University, New York, New York 10021, USA
Biometrics 61:962-73. 2005..Indeed, we present the results of simulation studies which demonstrate that the finite sample performance of DR estimators is as impressive as theory would predict. The proposed method is applied to a cardiovascular clinical trial... - Sample size calculation for simulation-based multiple-testing proceduresHeejung Bang
Division of Biostatistics and Epidemiology, Department of Public Health, Weill Medical College of Cornell University, New York 10021, USA
J Biopharm Stat 15:957-67. 2005..We illustrate our method with a quality-of-life study for patients with early stage prostate cancer. Our method can also be used for comparing multiple independent groups... - Correlates of plasma HIV-1 RNA viral load among HIV-1-seropositive women in Dar es Salaam, TanzaniaSaidi H Kapiga
Department of Population and International Health, Harvard School of Public Health, Boston, Massachusetts 02115, USA
J Acquir Immune Defic Syndr 30:316-23. 2002..007). Although the long-term effects of malaria on viral load are unknown, prevention of malaria among people living with HIV-1 should be given the highest priority...