求翻译：All models were adjusted for age (categorized in 5-year age groups) as cases and controls were frequency matched by 5-year age groups.是什么意思？

待解决

悬赏分：1 - 离问题结束还有

All models were adjusted for age (categorized in 5-year age groups) as cases and controls were frequency matched by 5-year age groups.

问题补充：

匿名	2013-05-23 12:21:38 所有车型进行了调整，作为病例组和对照组年龄（5岁年龄组分类），5岁年龄组的频率匹配。

匿名	2013-05-23 12:23:18 正在翻译，请等待...

匿名	2013-05-23 12:24:58 所有模型被调整了为年龄(分类在5年的年龄组)，因为案件和控制是5年的年龄组匹配的频率。

匿名	2013-05-23 12:26:38 所有型号了都调整年龄（5 岁年龄组中分类）为例，控件是由 5 岁年龄组匹配的频率。

匿名	2013-05-23 12:28:18 正在翻译，请等待...

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