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卫生经济学

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卫生经济学

卫生经济学
27.February view：[]
周晓华在医疗费用分析方面针对主要难点，即其分布的三个特殊特征，这些特征可能导致费用偏离正态性：（1）众多费用为零的观测值（2）高花费的观测值导致的偏态分布（重尾）；（3）异方差。如果不考虑这些特征，医疗花费数据的统计分析可能会产生误导。周晓华和合作者开发了许多新的统计方法，适用于医疗保健花费的分析，在JASA，Biometrika，Biometrics等统计顶级期刊上发表了25篇以上的论文。

部分发表文章：
  1. Beste L., Chapko M., Zhou XH., Lee S., Esng X., Maier M.M. Hepatitis C cure is associated with decreased healthcare costs in irrhotics in retrospective Veterans Affairs cohort. Digestive Diseases and Sciences 2018; 63:1454-1462.
  2. Wang X., Beste L.A., Maier M.M., and Zhou XH. Double robust estimator of average causal treatment effect for censored medical cost data. Statistics in Medicine 2016; 35: 3101-3116.
  3. Sherwood B., Wang L., Zhou XH. Weighted Quantile Regression for Analyzing Health Care Cost Data with Missing Covariates. Statistics in Medicine 2013; 32: 4967-4979.
  4. Wang H., Zhou XH. Quantile regression for estimating conditional means of health care costs. Biometrika 2010; 97: 147-158.
  5. Zhou XH., Lin H., Johnson E. Nonparametric heteroscedastic transformation regression models for skewed data with an application to health care costs. Journal of Royal Statistical Society Series B (JRSS B) 2009; 70: 1029-1047.
  6. Chapko M. K., Manheim L. M., Guihan M., Sullivan J. H., Zhou XH., Wang L., Mambourg F. J., Hedrick S. C. Assisted Living Pilot Program: Utilization and Cost Finding.  Journal of Aging and Health 2009; Vol. 21; pp 208-225.
  7. Chi Y., Zhou XH. The need for reorientation toward cost-effective prediction.  Statistics in Medicine 2008; 27: 182-184.
  8. Zhou XH., Liang H. Semi-Parametric Single-Index Two-Part Regression Models for Health Care Costs with Zero Values. Computational Statistics & Data Analysis 2006;50(5): 1378-1390.
  9. Dinh P., Zhou XH. Nonparametric statistical methods for cost-effectiveness analyses. Biometrics 2006; 62: 576-588
  10. Zhou XH., Qin G., Lin H., Li G. Inferences in censored cost regression models with empirical likelihood. Statistica Sinica 2006, 16: 1213-1232.
  11. Zhou XH., Qin G., Maciejewski M.L. Estimating the VA health care cost using a semi-parametric heteroscedastic two-part model. Health Serv Outcomes Res Method 2006, 6: 69-80.
  12. Jiang H., Zhou XH. Bootstrap confidence intervals for medical costs with censored observations. Stat Med 2004; 18: 3365-3376.
  13. Zhou XH., Ramsey S. Assessing the equality of means of health care costs. Expert review of Pharmacoeconomics and Outcomes Research 2003; 3, 561-567.
  14. Zhou XH. Inferences about population means of health care costs. Stat Methods Med Res 2002; 11: 327-339.
  15. Zhou XH, Li C., Gao S., Tierney W.M. Methods for testing equality of means of health care costs in a paired design study. Stat Med 2001; 20:1703-1720.
  16. Zhou XH, Tu W. Interval estimation for the ratio in means of log-normally distributed medical costs with zero values. Comput Stat Data An 2000; 35(2): 201-210.
  17. Tu W., Zhou XH. A Wald test comparing medical costs based on log-normal distributions with zero value costs. Stat Med 1999; 18:2749-2762.
  18. Barkmeier J., Trerotola S.O., Wiebke E., Sherman S., Harris V.J., Snidow J., Johnson M.S., Rogers W., Zhou XH. Percutanenus radiologic, surgical endoscopic, and percutaneous endoscopic gastrostomy/gastrojejunostomy; Comparative study and cost analysis. Cardiovascular and International Radiology. Cardiovasc Intervent Radiol 1998; 21:324-328.
  19. Zhou XH., Melfi C.A., Hui S. Methods for comparison of Cost Data. Ann Intern Med 1997; 127(8): 752-756.