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Statistical Methods in Medical Research
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Inferences about population means of health care costs

Xiao-Hua Zhou

Division of Biostatistics, Department of Medicine, Indiana University School of Medicine, USA and Health Services Research and Development Center of Excellence, Veterans Affairs Puget Sound Health Care System, Building 1, Room 424, 1660 S. Columbian Way, Seattle, WA 98108, USA, azhou{at}iupui.edu

The analysis of health care costs is complicated by the skewed and heteroscedastic nature of their distribution with possibly additional zero values. Statistical methods that do not adjust for these features can lead to incorrect conclusions. This paper reviews recent developments in statistical methods for the analysis of health care costs; our focus is on population means.

Statistical Methods in Medical Research, Vol. 11, No. 4, 327-339 (2002)
DOI: 10.1191/0962280202sm290ra
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[Abstract] [PDF]


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