Methods 1: m matched case-control study was conducted.
方法采取1：M匹配的病例对照研究。
Methods a 1:1 matched case-control study with 50 pairs on risk factors of cataract was carried out in Hefei city and Dingyuan county.
方法采用1：1病例对照研究方法对合肥市及定远县50对老年性白内障及对照进行问卷调查。
Methods a 1:1 matched case-control study was conducted 175 patients with gastric cancer and 175 controls were surveyed by questionnaire.
方法采用1：1配对的病例对照研究，对175对病例及对照进行饮食及生活行为问卷调查。
Methods: A pair-matched case-control study was conducted with data on the sampling survey of HBP in Binjiang Hospitol from 1994 to 1996.
方法：利用天津市滨江医院内科门诊高血压抽样调查资料进行病例对照研究。
Methods A 1:1 matched case-control study was performed exposure to analyse some exposure factors in home environment that related with asthma.
方法应用1∶1配对的病例对照研究方法，调查和分析家庭环境中与儿童哮喘有关的暴露因素。
A matched case-control study on the relationships between cigarette smoking, alcohol drinking, hypertension and cerebral hemorrhage was conducted.
采用以医院为基础的配比病例对照研究方法，探讨了吸烟、饮酒及高血压与脑出血的关系。
Preterm delivery was associated with maternal drug-treated hypertension and impaired renal function. A matched case-control study showed no evidence of increased renal allograft loss after pregnancy.
早产与母亲服药治疗高血压及肾功能损害有关。一项配对病例对照研究发现没有证据表明妊娠会增加移植肾失功发生率。
Methods One hundred and eleven cases with onychomycosis were conducted by a 1:1 matched case-control study. Data were analyzed by a single-factor and multifactor conditional logistic regress analysis.
方法对111例甲真菌病患者进行1：1配比的病例对照研究，采用单因素和多因素的条件回归分析。
Methods a case control study with 100 cases of CHD and 100 pair matched controls was conducted with occupational stress factor scales and multivariate analysis.
方法应用职业紧张因素测试表，对100例冠心病患者1∶1配对病例对照进行多因素分析。
Methods: The anthropometric measurement parameters of 140 obese children 0~6 years of age were analyzed using case-control (1:1 matched) study.
方法：采用病例对照1 ：1配对的方法，对1 40例0～6岁单纯肥胖儿童体格测量参数进行分析。
Methods: The anthropometric measurement parameters of 140 obese children 0~6 years of age were analyzed using case-control (1:1 matched) study.
方法：采用病例对照1 ：1配对的方法，对1 40例0～6岁单纯肥胖儿童体格测量参数进行分析。
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