Affiliation: Indiana University
- A semiparametric recurrent events model with time-varying coefficientsZhangsheng Yu
Department of Biostatistics, Indiana University School of Medicine, Indianapolis, IN, USA
Stat Med 32:1016-26. 2013..We conduct simulations to evaluate the performance of the estimates for both time-varying and time-independent coefficients. We apply this method to analyze two data sets: a stroke study and a child wheeze study...
- Semiparametric frailty models for clustered failure time dataZhangsheng Yu
Department of Biostatistics, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
Biometrics 68:429-36. 2012..We evaluate the finite sample performance of the proposed method via a simulation study, and apply the method to analyze data from a study of sexually transmitted infections (STI)...
- A semi-parametric threshold regression analysis of sexually transmitted infections in adolescent womenZhangsheng Yu
Division of Biostatistics, Indiana University School of Medicine, Indianapolis, IN 46254, USA
Stat Med 28:3029-42. 2009..Analysis shows that the lifetime number of sexual partners has a nonlinear effect on the risk of C. trachomatis infection and the infection risks were differential by ethnicity and age of sexual debut...
- A joint model of recurrent events and a terminal event with a nonparametric covariate functionYu Zhangsheng
Division of Biostatistics, Indiana University School of Medicine, Indianapolis, IN, USA
Stat Med 30:2683-95. 2011..We apply this method to analyze the hospitalization rate of patients with heart failure in the presence of death...
- Thrice weekly azacitidine does not improve hematological responses in lower-risk myelodysplastic syndromes: a study of the Hoosier Oncology GroupHamid Sayar
Division of Hematology and Oncology, Department of Medicine, Indiana University Simon Cancer Center, Indianapolis, IN 46202, USA
Leuk Res 35:1108-10. 2011..Azacitidine may modulate BclX(L) and improve erythropoiesis through reduction of apoptosis in primitive erythroid progenitor population in MDS...
- Independent influence of dietary protein on markers of kidney function and disease in obesityAllon N Friedman
Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
Kidney Int 78:693-7. 2010..Hence, while dietary protein does modulate kidney parameters, it is unlikely to fully account for the elevations in GFR and proteinuria found in obesity...
- A randomized trial of cholecalciferol versus doxercalciferol for lowering parathyroid hormone in chronic kidney diseaseSharon M Moe
Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
Clin J Am Soc Nephrol 5:299-306. 2010..The optimal treatment of secondary hyperparathyroidism in chronic kidney disease (CKD) is unknown...
- Pulmonary diffusing capacity in healthy Caucasian childrenYoung Jee Kim
Department of Pediatrics, James Whitcomb Riley Hospital for Children, Indianapolis, Indiana, USA
Pediatr Pulmonol 47:469-75. 2012..Using collated data we have derived regression equations for pulmonary diffusing capacity outcomes in healthy Caucasian children aged 5-19 years...
- Intensified effect of adiposity on blood pressure in overweight and obese childrenWanzhu Tu
Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA
Hypertension 58:818-24. 2011..The findings have relevance to interventions designed to prevent or treat adiposity-related increases in BP and to the analytic approaches used in epidemiological studies...
- Pre-post evaluation of automated reminders may improve detection and management of post-stroke depressionLinda S Williams
Roudebush VAMC and VA Stroke QUERI, Indianapolis, IN, USA
J Gen Intern Med 26:852-7. 2011..Post-stroke depression (PSD) occurs in at least one-third of stroke survivors, is associated with worse functional outcomes and increased mortality, and is frequently underdiagnosed and undertreated...
- Use of continuous positive airway pressure reduces airway reactivity in adults with asthmaMichael Busk
Division of Pulmonary, Allergy, Critical Care, Occupational, and Sleep Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
Eur Respir J 41:317-22. 2013..Future studies of longer duration are required to determine whether CPAP can also decrease asthma symptoms and/or medication usage...
- Low blood levels of long-chain n-3 polyunsaturated fatty acids in US hemodialysis patients: clinical implicationsAllon N Friedman
Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, USA
Am J Nephrol 36:451-8. 2012..We therefore investigated, in the first study of its kind, the blood content and distribution of these fatty acids in a large representative population of US hemodialysis patients...
- Hepatitis C increases the risk of progression of chronic kidney disease in patients with glomerulonephritisLama A Noureddine
Indiana University School of Medicine, Indianapolis, 46202, USA
Am J Nephrol 32:311-6. 2010..We have shown that hepatitis C does not increase the risk of developing chronic kidney disease (CKD), but it is not known if hepatitis C worsens progression of existing CKD...
- Growth of lung parenchyma in infants and toddlers with chronic lung disease of infancyJuan E Balinotti
Department of Pediatrics, Indiana University Medical Center, James Whitcomb Riley Hospital for Children, 702 Barnhill Drive, Indianapolis, IN 46202 5225, USA
Am J Respir Crit Care Med 181:1093-7. 2010..As lung tissue from clinically stable outpatients is not available, physiological measurements offer the potential to increase our understanding of the pulmonary pathophysiology of this disease...