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1.一般资料1.1 年龄:30例患儿中最小年龄2.5岁,最大年龄13岁,平均年龄7岁半,其中2岁半—4岁5例,(17％),7岁8例,(27％),10岁7例,(23％),13岁,10例(33％)。性别:30例患儿中男18例,女12例,男女之比为3:2。发病季节:3—4月份发病10例(33％),5—8月份5例(17％),9—10月份6例(20％),11—12月份4例(13％),1—2月份5例(17％)。
1. General Information 1.1 Age: The minimum age of 30 children was 2.5 years old, the maximum age was 13 years old and the average age was 7 years and a half. Among them, 5 cases were aged 2 to 4 (17%), 8 cases were 7 years old and (27 %), 10 years old in 7 cases, (23%), 13 years old, 10 cases (33%). Gender: There were 18 males and 12 females in 30 cases with a ratio of 3: 2. Incidence season: 10 cases (33%) in March-April, 5 cases (17%) in May-August, 6 cases (20%) in 9-10 months, 4 cases (13% 5 cases in February (17%).