(来学网)用尿糖定性试验检查糖尿病病人和正常成年人各500名,结果糖尿病病人中有300例阳性,200例阴性,正常成年人有50例阳性,450例阴性
  1. 尿糖定性试验筛检糖尿病的灵敏度为
    A.
    (来学网)200/500×100/100=40%
    B.
    (来学网)300/500×100/100=60%
    C.
    (来学网)50/500×100/100=10%
    D.
    (来学网)450/500×100/100=90%
    E.
    (来学网)100/500×100/100=20%
  2. 如果某人尿糖定性试验阳性,其患有糖尿病的可能性为
    A.
    (来学网)300/350×100/100=85.71%
    B.
    (来学网)200/450×100/100=44.44%
    C.
    (来学网)450/500×100/100=90%
    D.
    (来学网)200/500×100/100=40%
    E.
    (来学网)300/500×100/100=60%
  3. 如果某人尿糖定性试验阴性,你认为排除其息有糖尿病的把握为
    A.
    (来学网)50/450×100/100=11.11%
    B.
    (来学网)200/450×100/100=44.44%
    C.
    (来学网)450/500×100/100=90%
    D.
    (来学网)400/550×100/100=81.82%
    E.
    (来学网)450/650×100/100=53.85%