(来学网)病例对照研究进行统计性推断时不匹配分层资料总的OR值计算公式是
  • A.
    (来学网)OR=a/(a+c)/c/(a+c)/[b/(b+d)/d/(b+d)]
  • B.
    (来学网)ORMH=∑(aidi>/t)/∑(bici/t1)
  • C.
    (来学网)OR=c/b
  • D.
    (来学网)OR=ad/bc
  • E.
    (来学网)iettnen卡方值法