Pei F
Sanitation and Anti-Epidemic Station of Liaoning, Province.
Zhonghua Liu Xing Bing Xue Za Zhi. 1991 Jun;12(3):163-5.
The 1:1 matched case-control study was undertaken. The associated risk factors such as smoking etc were investigated. Three hundred cases of peptic ulcer and 300 controls individually matched were interviewed. Conditional logistic regression was employed to examine the effect modification. The analytic results showed that Smoking, family history, nutrition, anxiety and depression were the risk factors of peptic ulcer. No relation was found between blood types and peptic ulcer.
开展了1:1匹配的病例对照研究。对吸烟等相关危险因素进行了调查。对300例消化性溃疡病例和300例个体匹配的对照进行了访谈。采用条件逻辑回归分析来检验效应修饰。分析结果表明，吸烟、家族史、营养、焦虑和抑郁是消化性溃疡的危险因素。未发现血型与消化性溃疡之间存在关联。
