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本文报告南京地区春秋两季对7,795名婴幼儿进行佝偻病普查的结果,其患病率春季为19.05％,秋季为18.71％,根据二次普查所得的资料讨论以下几个问题: 致病因素: 1.年龄、出生季节、户外活动及喂养与发病的关系:12个月以内的患病率最高,其次是12～18个月的小儿。冬季出生婴儿患病较其他季节出生的小儿明显增高,这与冬季户外活动接受紫外线较少有关。另外,两季资料都说明人工喂养、早产、双胎的婴儿患病率较高。 2.城乡差异:春季城乡之间无明显差异。秋季农村明显低于城市,P<0.01,说明了户
This paper reports the results of the survey on 7,795 infants and toddlers in spring and autumn in Nanjing. The prevalence rate of the survey was 19.05% in spring and 18.71% in autumn. The following items were discussed according to the data from the second census: Pathogenic factors: 1 Age, birth season, outdoor activity, feeding and incidence: The highest prevalence was in 12 months, followed by 12 to 18 months in children. Infants born in winter have a significantly higher prevalence of infants than those born in other seasons, which is related to the fact that winter outdoor activities receive less UV light. In addition, both seasons indicate that artificial feeding, premature birth and twins have a higher prevalence of infants. 2. Urban-rural differences: There is no obvious difference between urban and rural areas in spring. Autumn rural areas were significantly lower than the city, P <0.01, indicating households