频数匹配
- 网络frequency matching;frequency matching or group matching
频数匹配-
方法随机选择慈溪市原发性胃癌现症病例199例，采用1∶1频数匹配的病例对照研究法，进行胃癌流行病学调查，并以条件logistic回归法分析各因素与胃癌发生的关系。
Methods For epidemical survey , 199 gastric cancer patients were randomly selected from the residents of Cixi city for 1 ∶ 1 frequency-matched case control study . The relationships between gastric cancer and risk factors were estimated by conditional Logistic regression models .
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该研究共成功调查1495名合格的乳腺癌病例和1573名年龄频数匹配的全人群妇女随机对照，应答率分别为95.1%和87.7%。
A total of 1,495 cases of breast cancer and 1,573 age-frequently-matched controls were interviewed individually , with response rates of 95.1 % and 87.7 % respectively .