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作者统计1971～1975年美国加州 Kaiser 卫生计划基金会(KFHP)约1百万会员中肾脏和泌尿道疾病(KUTD)的首次住院率,并将此作为在规定人群中KUTD 的发生率。KFHP 会员的年龄、性别、种族分布和经济收入情况同该地区总人口中的分布相仿。1971～1975年内 KFHP 全部会员中因 KUTD而住院的全部病人为26,851人,其中首次住院病人为20,693人。因此 KUTD 在规定人口中的发生率为每年35.7/10~4,男性37.4/10~4,女性34.0/10~4,男性略高于女性。KUTD 的发生率在10～19岁最低,男性每年10.3/10~4,女性每年10.7/10~4,同时随年龄增加而规则地上升。65岁以上最高,男性每年为265/10~4,
The authors calculated the first hospitalization rate of kidney and urinary tract disease (KUTD) among approximately 1 million members of the Kaiser Health Initiative Foundation (KFHP) in California from 1971 to 1975 as the incidence of KUTD in the prescribed population. The distribution of KFHP members’ age, gender, ethnicity and income is similar to that of the total population in the area. From 1971 to 1975, all KFHP members were hospitalized for KUTD, with a total of 26,851 patients, of whom 20,693 were hospitalized for the first time. Therefore, the incidence rate of KUTD in the prescribed population is 35.7 / 10 ~ 4 per year, 37.4 / 10 ~ 4 for males and 34.0 / 10 ~ 4 for females, slightly higher than males. The incidence of KUTD was the lowest among 10-19 years of age, with 10.3 / 10-4 per year for males and 10.7 / 10-4 per year for women, and regularly increased with age. Highest above 65 years old, men every year 265/10 ~ 4,