两组试验的恋人中位数年龄分别是25岁和23岁。

The median age of the couples in one exercise was 25; in the other, 23.

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强化干预组终止实验前共随访3.4年(中位数)，用多变量模型分析此期间数据。

Data obtained during 3.4 (median) years of follow-up before cessation of intensive treatment were analyzed using several multivariable models.

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它们死亡年龄的中位数比参照组的高五分之一。

Their median age at death was about a fifth higher than that of their unmodified Cousins.

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