题目内容

一项病例对照研究的结果为OR（95%CI）=11.6（0.5~32.9），该结果表明（）

A. 该暴露因素是疾病的危险因素
B. 该暴露因素是疾病的无关因素
C. 该暴露因素是疾病的保护因素
D. 该暴露因素对疾病具有特异性

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