这些病人按照年龄，种族，性别和健康历史的详细调查来分组。

The groups were matched by age, race and gender and completed detailed surveys of their health histories.

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方法：选取400例受试者，按照年龄段分组，检测尿靛甙水平和血型，根据结果给予个体化饮食营养指导。

Methods: Uric indican levels and blood types were detected in 400 subjects, divided into four groups based on their age, and then individual diet guidance was supplied accordingly.

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并按照性别、年龄分组研究在不同组别中，各种致敏原斑贴试验阳性率。

Patch test positive rates were then determined in the groups, and according to gender and age in the different groups.

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并按照性别、年龄分组研究在不同组别中，各种致敏原斑贴试验阳性率。

Patch test positive rates were then determined in the groups, and according to gender and age in the different groups.

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