Chen-Yuang Peng

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OBJECTIVE To demonstrate the use of logistic regression in health care research. METHOD Forward and backward stepwise logistic regression algorithms were systematically applied to a real-world data set comprising 301 cancer patients and a set of explanatory variables. RESULTS Four variables were identified as effective predictors of pain reporting by(More)
BACKGROUND This study aims to: (1) document the prevalence of hepatitis C virus (HCV) among methadone maintenance treatment (MMT) patients in Kunming and Shanghai; (2) examine risk factors for HCV by comparing those who tested positive with those who were negative and (3) examine if HCV serostatus is related to attitudes toward MMT. METHODS Using data(More)
BACKGROUND The purpose of this study was to explore the epidemiology of hepatitis C virus (HCV) infection and to determine the risk factors for HCV infection among heroin abusers in Taiwan. METHODS This was a cross-sectional study. From November 2004 to February 2005, 577 subjects, including 423 subjects (73.3%) using injectable heroin and 154 subjects(More)
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