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我省于1977年秋冬季分别在成都、重庆、南充和泸州四个地区对乳幼儿进行佝偻病普查。根据历史和体检情况,对疑似者再检查血清钙、磷、碱性磷酸酶,并作左腕前后位X线摄片。凡有临床症状、体征、血清生化或/及X线改变者,诊断为活动性佝偻病,仅生化某一项轻度异常者,列为疑佝,5岁后,其体征、生化及X线片正常者,列为后遗症。在8,782名受检儿童中,诊断为各期佝偻病者2,372例,发病率为27％。与佝偻病发病有关的因素是:年龄越小,发病率越高,半岁以内发病率达44％,髓年龄增长,发病率逐渐下降。农村发病率(28.4％)大于城市(25.6％),男孩发病
The province in autumn and winter of 1977, respectively, in Chengdu, Chongqing, Nanchong and Luzhou four areas on breast-feeding children rickets survey. According to the history and physical examination, re-examine the suspected serum calcium, phosphorus, alkaline phosphatase, and left wrist before and after the X-ray. Those who have clinical symptoms, signs, serum biochemical or / and X-ray changes were diagnosed as active rickets, only one of the biochemical abnormalities were classified as suspicious, after 5 years of age, signs, biochemical and X-ray Normal, as a sequelae. Of the 8,782 children examined, 2,372 were diagnosed with rickets in each phase, an incidence of 27%. The incidence of rickets with the relevant factors are: the younger, the higher the incidence of morbidity within half a year of 44%, the age of the pulp increased, the incidence decreased. Rural incidence (28.4%) is greater than in urban areas (25.6%) and boys are affected