Pengcheng Xun

Assistant Scientist
Epidemiology and Biostatistics

pxun@indiana.edu
(812) 856-0772
PH C103

Education
  • Nanjing Medical University, Ph.D., 2007
  • Nantong Medical College, M.S., 2001
  • Nantong Medical College, B.S., 1998
Courses
  • SPH Q502 Imtermediate Statistics in Public Health (Guest lecturer)
  • SPH Q611 Statistics Packages in Research (Lecturer)
  • SPH E650 Nutrition Epidemiology (Guest lecturer)
  • SPH E659 Advanced Epidemiology Methods (Guest lecturer)
  • SPH E794 Doctoral Seminar (Guest lecturer)
Background
  • Assistant Scientist, Indiana University, (2013.2 - present)
  • Visiting Assistant Scientist, Indiana University (2012.10 - 2013.2)
  • Postdoctoral Research Associate, University of North Carolina at Chapel Hill (2008.8 - 2012.10)
  • Assistant Professor / Lecturer, Nantong University, Jiangsu, China (2004.5 - 2008.7)
  • Teaching Assistant, Nantong Medical College, Jiangsu, China (2001.8 - 2004.4)
Awards
  • Young Investigator Travelling Grant Award, American Diabetes Association, USA (2013)
  • Outstanding Reviewer, Annals of Internal Medicine, American College of Physicians, USA (2012)
  • Postdoctoral Award for Research Excellence, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA (2011)
  • Distinguished Achievements on Education and Teaching, School of Public Health, Nantong University, Jiangsu, China (2007)
  • The 2nd Prize of Jiangsu Excellent Teaching Achievements, Bureau of Education, Jiangsu, China (2004)
Grants

Ongoing Research Support

NIH-R01AG054068 (Chen, J.) : 2016-2021
Title: Alzheimer’s disease & related dementias: geography, environments, and mechanisms
Role:   Biostatistician

NIH-R21HD086451 (Yang, J.) : 2016-2018
Title: Optimal physical and cognitive rest after sports-related concussions among youth
Role: Subcontract-PI

RWJF7273 (Yang, J.) : 2014-2016
Title: Youth sports TBI Laws: measuring public health impact on initial and recurrent concussions
Role: Biostatistics Consultant

NIH-R01ES021735 (He, K. & McClure, L.) : 2012-2017
Title: Trace element levels and risk of stroke
Role: Biostatistician

Completed Research Support (selected)

NNSF81072389 (Chen, F.) : 2011-2013
Title: Strategies on dimension reduction and statistical methods in genome wide association studies
Role: Co-I

ACS -RSGT-08-094-CPPB (He, K.) : 2008-2014
Title: Longitudinal study of outcomes in colon cancer survivors
Role: Biostatistician

NIH-R21NS056445 (He, K.) : 2008-2010
Title: Serum fatty acids and ischemic stroke in women
Role: Biostatistician

NIH-R01HL081572 (He, K.) : 2006-2011
Title: Trace elements and CVD risk factors among young adults
Role: Biostatistician

SRF-DPHE20050312001 (Chen, F.) : 2006-2008
Title: Statistical analysis for Microarray Data
Role: Co-I

STIFP2006129 (Xun, P.) : 2006-2007
Title: Dimension reduction strategy and methods for microarray data
Role: PI

(Abbreviations: ACS: American Cancer Society; NIH: National Institute of Health; NNSF, National Natural Science Funding, China; RWJF: Robert Wood Johnson Foundation; SRF-DPHE: Specialized Research Fund for the Doctoral Program of Higher Education, China; STIFP, Science and Technology Innovation Fund, Jiangsu, China)

Research Interests

Dr. Xun's research interests lie in: 1) Nutrients (including trace elements), food groups, and dietary patterns in relation to chronic disease including CVD, diabetes, obesity, and cancer; 2) Meta-analysis and systematic review; 3) Applied statistical methods in the areas of public health, medicine, and biology (e.g. multi-level model, structural equation model, trajectory analysis, propensity score, etc.).

Selected Publications
Books

Lu, S., & Chen, F. “The 12th five-year” national programmed textbook: Medical Statistics, 3rd/2nd edition, Beijing: China Statistics Press, 2016/2007 (Role: Editor).

Chen F & Yu H. Statistical Interpretations of Some Selected Clinical Trial Cases, Beijing: The People’s Health Publishing House, 2015. ( Role: Editor).

Yu, H. The excellent textbook of Jiangsu higher education: Medical Statistics, 3rd/2nd/1st edition, Beijing: China Statistics Press, 2013/2005/2004 (Role: Editor).

Jin P & Chen F: Statistical Methods in Medical Area, 3rd edition, Shanghai: Fudan University Press, 2009 (Role: Associate editor-in-chief).

Rao K: Advances of Methods and Their Applications in Health Statistics. Beijing: People's Medical Publishing House, 2008 (Chapter Writer for "Permutation tests and their applications").

Chen F: Modern Medical Statistical Methods and STATA Application, 2nd edition, Beijing: China Statistics Press (Role: Editor).

Peer-reviewed Articles in English (from n>60)

(*: first or co-first author, : corresponding or co-corresponding author)

Feng, H.*, Xun, P.*, Pike, K., Wills, A., Chawes, B., Bisgaard, H., Cai, W., Wan Y., & He, K. (2016) In utero exposure to 25(OH) D and risk of childhood asthma, wheeze and respiratory tract infections: a meta-analysis of birth cohort studies. Journal of Allergy and Clinical Immunology Epub (Sept.14). PMID: 27639938

Hunnicutt, J.*, He, K., & Xun, P. (2014). Dietary iron intake and body iron stores are associated with risk of coronary heart disease in a meta-analysis of prospective cohort studies. Journal of Nutrition 144(3):359-66. PMID: 24401818.

Xun, P.*,†, Wu, Y., He, Q., & He, K. (2013). Fasting insulin concentrations and incidence of hypertension, stroke and coronary heart disease: a meta-analysis of prospective cohort studies. American Journal of Clinical Nutrition 98 (6): 1543-54. PMID: 24132974.

Xun, P.*, Liu, K., Cao, W., Sidney, S., Williams, D., & He, K. (2012). Fasting insulin level is positively associated with incidence of hypertension among American young adults: a 20-year follow-up study. Diabetes Care 35(7): 1532-7. PMID: 22511258.

Xun, P.*, Liu, K., Loria, C., Bujnowski, D., Shikany, J., Schreiner, P., Sidney, S., & He, K. (2012). Folate intake and incidence of hypertension among American young adults: a 20-year follow-up study. American Journal of Clinical Nutrition 95(5): 1023-30. PMID: 22491371.

Xun, P.*, & He, K. (2012). Fish consumption and incidence of diabetes: meta-analysis of data from 438,000 individuals in 12 independent prospective cohorts with an average 11-year follow-up. Diabetes Care 35(4): 935-8. PMID: 22442398. (With commentary).

Xun, P.*, Hou, N., Daviglus, M., Liu, K., Morris, J., Shikany, J., Sidney, S., Jacobs, D., & He, K. (2011). Fish oil, selenium, and mercury in relation to incidence of hypertension: a 20-year follow-up study. Journal of Internal Medicine 270 (2): 175-86. PMID: 21316044.

Xun, P.*, Liu, K., Morris, J., Daviglus, M., & He, K. (2010). Longitudinal association between toenail selenium levels and measures of subclinical atherosclerosis: the CARDIA Trace Element Study. Atherosclerosis 210(2): 662-7. PMID: 20138620.

Xun, P.*, Liu, K., Morris, J., Daviglus, M., Stevens, J., Jacobs, D., & He, K. (2010). Associations of toenail selenium levels with inflammatory biomarkers of fibrinogen, high-sensitivity C-reactive protein and interleukin-6: the CARDIA Trace Element Study. American Journal of Epidemiology 171(7): 793-800. PMID: 20219762

Xun, P.*, Chen, F., Dong, C., Qian, G., Lai, D., & Meng, J. (2007). A score method for comparison of partial genomic regions in their representatives of full-length genome of hepatitis E virus for genotyping. Intervirology 50(5): 328-35. PMID: 17687190.

Peer-reviewed Articles in Chinese (from n>50)

Xun, P.*, Qian, G.*, Zhao, Y., Yu, H., & Chen, F. (2012). Two-stage combinational dimension reduction strategy for analyzing high-dimensional data in biology field. Chinese Journal of Health Statistics 29(5): 626-9.

Xun, P.*, Qian, G., Fu, C., Yu, H., & Chen, F. (2009). Strategy of dimension reduction for microarray data driven by discriminate analysis. Chinese Journal of Health Statistics 2009; 26(2): 1-4.

Xun, P.*, Zhao, Y., Yi, H., Bai, J., Yu, H., & Chen, F. (2006). The application of permutation test in the hypothesis testing. Application of Statistics and Management 25(5): 16-21.

Xun, P.*, Zhao, Y., Bai, J., Yi, H., Yu, H., & Chen, F. (2006). Multiple comparison procedures for microarray data. Chinese Journal of Health Statistics 23(1):5-8.

Xun, P.*, Gu, H., & Chen, F. (2005). The application of a chain binomial model in the analysis of infectious disease data. Chinese Journal of Health Statistics 22(1): 49-54.

Xun, P.*, Gu, J., Gu, H., & Chen, F. (2004). The application of median-regressive and autoregressive models in predicting incidence of SARS. Chinese Journal of Health Statistics 21(4): 219-21.

Xun, P.*, & Cai, H. (2004). The skill of using Reed – Merrell method to compile an abridged life table with SAS software. Practical Preventive Medicine 11(5): 1000-3.

Xun, P.*, & Cai, H. (2003). Analysis on potential years of life lost for automobile drivers in Jiangsu from 1990 to 1999. Chinese Journal of Epidemiology 24(4): 284-7. PMID: 12820946.

Xun, P.*, Cai, H., Ge, Z., & Lu, S. (2001). An abridged truncated life table for automobile drivers from five cites in Jiangsu province during 1990s. Chinese Journal of Health Statistics 18(6): 331-3.

Xun, P.*, & Cai, H. (2001). The construction and review of current life tables. Modern Preventive Medicine 28(1): 358-61.