我院系新汶矿区综合性医院 ,近 1 0年来儿科共收治住院患儿 6 2 70例。现对其临床资料进行分组分析 ,以便为优生优育、儿童保健及疾病防治提供参考依据。1　资料与方法6 2 70例均为我院儿科 1 990— 1 999年住院患儿 ,年龄 :新生儿～ 1 3岁。以住院年份为分组依据 ,可分为Ａ组 In our hospital, Xinwen Mining Area General Hospital, 670 cases of inpatients were treated in the past 10 years. Now the clinical data for group analysis in order to prenatal and postnatal care, child health and disease prevention provide the reference. 1 Materials and Methods 6 2 70 cases of pediatric patients in our hospital 1 990-1 999 hospitalized children, age: newborns ~ 13 years old. Based on the hospital year as a group, can be divided into A group