The patients were split into three groups: young (ages 20 to 40), middle-aged (41 to 64) and older (65 and up).
这些病患被分为三组：年轻组（20到40岁）、中年组（41到64岁）以及老年组（大于等于65岁）。
The volunteers made up three age groups: young people in their twenties, middle-aged people in their forties, and older people in their sixties.
自愿者分为三个年龄组：20多岁的年轻人群，40多岁的中年人群和60多岁的老年人。
The prevalence rates of hyperuricemia in elderly male and female groups were significantly higher than in young and middle aged male groups respectively ( P< 0.05).
高尿酸血症的患病率老年组男性和女性与中、青年组差异有统计学意义（P<0.05）。
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