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为了解我市0～2岁小儿先天性心脏病（简称先心病）发病情况，我们对我市1995年6月1日～1997年5月31日出生的小儿进行抽样调查，现将结果报告于下。一、对象与方法1．对象：本市市区及各镇随机抽样0～2岁婴幼儿共18169名，其中男9321名、女8848名，男女之比为1．05：1。2．方法
To understand the city of 0 to 2-year-old children with congenital heart disease (CHD) incidence, we city of our city on June 1, 1995 ~ May 31, 1997 was born in children sample survey, the results reported in the next . First, the object and method 1. PARTICIPANTS: A total of 18,169 infants and young children aged 0 to 2 years were randomly sampled from urban areas and towns in the municipality, including 9321 males and 8848 females, with a ratio of men to women of 1.05: 1.2. method