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1989年1月至1991年12月，在我院分娩而入婴儿室的新生儿共9178人。对其中1159例高危新生儿（根据实用儿科学1985年版诊断标准）的发病情况进行分析。1989年、1990年及1991年高危儿发病率分别为14．79％，12．80％及8．29％。1990年与1989年及1991年与1989年比，P均wto．of有显
From January 1989 to December 1991, a total of 9,178 newborns were born in our hospital and delivered to the baby room. The incidence of 1159 high-risk neonates (based on the 1985 diagnostic criteria of practical pediatrics) was analyzed. The incidence rates of high-risk children in 1989, 1990 and 1991 were 14.79%, 12.80% and 8.29% respectively. 1990 and 1989 and 1991 and 1989 than the P are wto. of