Zhangsheng Yu

Summary

Affiliation: Indiana University
Country: USA

Publications

  1. ncbi request reprint A semiparametric recurrent events model with time-varying coefficients
    Zhangsheng Yu
    Department of Biostatistics, Indiana University School of Medicine, Indianapolis, IN, USA
    Stat Med 32:1016-26. 2013
  2. pmc Semiparametric frailty models for clustered failure time data
    Zhangsheng Yu
    Department of Biostatistics, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
    Biometrics 68:429-36. 2012
  3. ncbi request reprint A semi-parametric threshold regression analysis of sexually transmitted infections in adolescent women
    Zhangsheng Yu
    Division of Biostatistics, Indiana University School of Medicine, Indianapolis, IN 46254, USA
    Stat Med 28:3029-42. 2009
  4. doi request reprint A joint model of recurrent events and a terminal event with a nonparametric covariate function
    Yu Zhangsheng
    Division of Biostatistics, Indiana University School of Medicine, Indianapolis, IN, USA
    Stat Med 30:2683-95. 2011
  5. pmc Inverse relationship between long-chain n-3 fatty acids and risk of sudden cardiac death in patients starting hemodialysis
    Allon N Friedman
    Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
    Kidney Int 83:1130-5. 2013
  6. pmc Fatty acids and other risk factors for sudden cardiac death in patients starting hemodialysis
    Allon N Friedman
    Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
    Am J Nephrol 38:12-8. 2013
  7. doi request reprint Association between anxiety, health-related quality of life and functional impairment in primary care patients with chronic pain
    Kurt Kroenke
    VA HSR and D Center for Implementing Evidence based Practice, Roudebush VA Medical Center, Indianapolis, IN, USA
    Gen Hosp Psychiatry 35:359-65. 2013
  8. pmc Adiposity has unique influence on the renin-aldosterone axis and blood pressure in black children
    Zhangsheng Yu
    Departments of Medicine and Biostatistics, Indiana University School of Medicine, Indianapolis, IN
    J Pediatr 163:1317-22.e1. 2013
  9. ncbi request reprint Atopy, cytokine production, and airway reactivity as predictors of pre-school asthma and airway responsiveness
    Edgar E Sarria
    Department of Pediatrics, Riley Hospital for Children at Indiana University Health, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana Centro Infant Instituto de Pesquisas Biomédicas, Pontificia Universidade Catolica do Rio Grande do Sul, Porto Alegre, Brazil
    Pediatr Pulmonol 49:132-9. 2014
  10. doi request reprint Use of continuous positive airway pressure reduces airway reactivity in adults with asthma
    Michael 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

Collaborators

Detail Information

Publications22

  1. ncbi request reprint A semiparametric recurrent events model with time-varying coefficients
    Zhangsheng 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...
  2. pmc Semiparametric frailty models for clustered failure time data
    Zhangsheng 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)...
  3. ncbi request reprint A semi-parametric threshold regression analysis of sexually transmitted infections in adolescent women
    Zhangsheng 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...
  4. doi request reprint A joint model of recurrent events and a terminal event with a nonparametric covariate function
    Yu 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...
  5. pmc Inverse relationship between long-chain n-3 fatty acids and risk of sudden cardiac death in patients starting hemodialysis
    Allon N Friedman
    Division of Nephrology, Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana 46202, USA
    Kidney Int 83:1130-5. 2013
    ..Thus, long-chain n-3 fatty acids are strongly and independently associated with a lower risk of sudden cardiac death in hemodialysis patients throughout the first year of hemodialysis...
  6. pmc Fatty acids and other risk factors for sudden cardiac death in patients starting hemodialysis
    Allon N Friedman
    Department of Medicine, Division of Nephrology, Indiana University School of Medicine, Indianapolis, IN 46202, USA
    Am J Nephrol 38:12-8. 2013
    ..We therefore undertook to identify such risk factors in a nationally representative cohort and were able to include baseline levels of blood fatty acids, some of which influence arrhythmogenicity and sudden cardiac death risk...
  7. doi request reprint Association between anxiety, health-related quality of life and functional impairment in primary care patients with chronic pain
    Kurt Kroenke
    VA HSR and D Center for Implementing Evidence based Practice, Roudebush VA Medical Center, Indianapolis, IN, USA
    Gen Hosp Psychiatry 35:359-65. 2013
    ..Our purpose was to examine the association between anxiety, health-related quality of life (HRQL) and functional impairment in primary care patients with chronic musculoskeletal pain...
  8. pmc Adiposity has unique influence on the renin-aldosterone axis and blood pressure in black children
    Zhangsheng Yu
    Departments of Medicine and Biostatistics, Indiana University School of Medicine, Indianapolis, IN
    J Pediatr 163:1317-22.e1. 2013
    ..To comparatively examine the effects of adiposity on the levels of plasma renin activity (PRA), plasma aldosterone concentration (PAC), and aldosterone-renin ratio (ARR) in young black and white children...
  9. ncbi request reprint Atopy, cytokine production, and airway reactivity as predictors of pre-school asthma and airway responsiveness
    Edgar E Sarria
    Department of Pediatrics, Riley Hospital for Children at Indiana University Health, Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, Indiana Centro Infant Instituto de Pesquisas Biomédicas, Pontificia Universidade Catolica do Rio Grande do Sul, Porto Alegre, Brazil
    Pediatr Pulmonol 49:132-9. 2014
    ....
  10. doi request reprint Use of continuous positive airway pressure reduces airway reactivity in adults with asthma
    Michael 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...
  11. doi request reprint Independent influence of dietary protein on markers of kidney function and disease in obesity
    Allon 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...
  12. pmc A randomized trial of cholecalciferol versus doxercalciferol for lowering parathyroid hormone in chronic kidney disease
    Sharon 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...
  13. doi request reprint Thrice weekly azacitidine does not improve hematological responses in lower-risk myelodysplastic syndromes: a study of the Hoosier Oncology Group
    Hamid 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...
  14. doi request reprint Joint model of recurrent events and a terminal event with time-varying coefficients
    Zhangsheng Yu
    Department of Biostatistics, Indiana University School of Medicine, Indianapolis, IN 46202, USA
    Biom J 56:183-97. 2014
    ..A simulation study shows that the proposed estimators perform well. The model is used to analyze the readmission rate and mortality jointly for stroke patients admitted to Veterans Administration (VA) Hospitals. ..
  15. pmc Evaluation of airway reactivity and immune characteristics as risk factors for wheezing early in life
    Weiguo Yao
    Department of Pediatrics, James Whitcomb Riley Hospital for Children, Herman B Wells Center for Pediatric Research, Indianapolis, Ind 46202 5225, USA
    J Allergy Clin Immunol 126:483-8.e1. 2010
    ..Respiratory tract illnesses and atopic sensitization early in life might produce an interaction between innate and acquired immune responses, leading to airway inflammation and heightened airway reactivity...
  16. doi request reprint Pulmonary diffusing capacity in healthy Caucasian children
    Young 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...
  17. pmc Intensified effect of adiposity on blood pressure in overweight and obese children
    Wanzhu 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...
  18. doi request reprint Stepped Care to Optimize Pain care Effectiveness (SCOPE) trial study design and sample characteristics
    Kurt Kroenke
    VA HSR and D Center for Implementing Evidence based Practice, Roudebush VA Medical Center, Indianapolis, IN, USA
    Contemp Clin Trials 34:270-81. 2013
    ....
  19. pmc Pre-post evaluation of automated reminders may improve detection and management of post-stroke depression
    Linda 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...
  20. pmc Low blood levels of long-chain n-3 polyunsaturated fatty acids in US hemodialysis patients: clinical implications
    Allon 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...
  21. pmc Hepatitis C increases the risk of progression of chronic kidney disease in patients with glomerulonephritis
    Lama 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...
  22. pmc Growth of lung parenchyma in infants and toddlers with chronic lung disease of infancy
    Juan 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...