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将栖霞县1993、1994两年出生的婴儿11897人分两组。预防组生后第1天开始口服维生素K_12.5mg,15天1次共6次;对照组未用药.对两组婴儿患晚发性维生素K缺乏症的情况观察到生后5个月～1 岁,3个月内发病者统计比较,结果显示:对照组发病61例(13.84‰),预防组发病1例(0.13‰),两组比较x~2=97.90,P<0.01。说明本病在我国发病率较高,进行群体预防非常必要.口服VK_1预防无副作用,经济方便,值得推广.
Will be born in Qixia County 1993,1994 two years, 11,897 were divided into two groups. Prevention group on the first day after birth, oral vitamin K_12.5mg, 15 days a total of 6 times; control group without medication .Two cases of infants with delayed onset vitamin K deficiency observed after birth 5 months to 1 The results showed that 61 cases (13.84 ‰) in the control group and 1 case (0.13 ‰) in the prevention group were x 2 = 97.90, P 0.01. Indicating that the disease in our country a higher incidence of population prevention is necessary.Voral oral VK_1 prevention without side effects, economical and convenient, it is worth promoting.