cases control group 例对照组
Methods: 100 cases of CRF were randomly divided into treatment group and control, with 50 cases in each group.
方法：将符合诊断标准的CRF患者100例，随机分成两组，治疗组和对照组各50例。
Methods: 85 cases of type 2 DM complicated with blood - lipid disorder were allocated to treatment group (57 cases) and control group (28 cases) randomly.
方法：将85例2型糖尿病合并血脂异常患者随机分为治疗组57例和对照组28例。
Methods 230 patients who meet the diagnostic criteria were randomly divided into two groups, 110 cases in control group, 120 cases in therapy group.
方法：将符合诊断标准的冠心病心绞痛患者230例随机分为两组，对照组110例，治疗组120例。
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