的确如此, 而且多组比较得出的阳性结果应打个问号, 宁愿把结论注意

送交者: blackbox 于 2007-01-03, 12:26:49:

回答: havard 的这个人群有问题，代表性很差。由 xj 于 2007-01-03, 10:36:38:

放在喝酒较少的人群, which did not show difference when compared to abstaining group. In addition, a case control study matched by propensitive of MI would help to confirm the association between moderate alcohol consumption and MI.

所有跟贴:

wrong concept - xj (76 bytes) 2007-01-03, 12:46:29 (118181)
- what wrong? Positive result from either observational or case-control - blackbox (195 bytes) 2007-01-03, 13:07:27 (118196)

加跟贴