A.病例暴露、對(duì)照非暴露于某因素的對(duì)子數(shù) B.病例和對(duì)照均暴露于某因素的對(duì)子數(shù) C.病例非暴露、對(duì)照暴露于某因素的對(duì)子數(shù) D.病例和對(duì)照均不暴露于某因素的對(duì)子數(shù) E.以上都不是
A.10.67 B.9.67 C.2.24 D.1.24 E.4.47
A.12 B.6.5 C.3.1 D.5.33 E.不能計(jì)算