The results were then compared to a group of age-matched children from traditional families.
然后将研究结果与另一组来自传统家庭的同龄孩子进行比较。
The control group was matched for age, body mass index and disease stage.
对照组妇女在年龄，体重指数和疾病的阶段均匹配。
Study Design. A retrospective matched cohort study with control group.
研究设计：对照配对回顾性队列研究。
Study Design. A retrospective matched cohort study with control group.
研究设计：对照配对回顾性队列研究。
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