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我们于 1997年 4～ 6月对我市 3～18岁健康儿童及青少年的最大呼气流速 (ＰＥＦ)值进行了调查 ,报告如下。对象 :选择标准 :①本市芝罘区 2所幼儿园、4所小学、4所中学共 95 6 2例儿童及青少年 ,其中男性 476 5例 ,女性4797例 ;②无呼吸系统及心血管系统慢性病史 ;③ 2周内无呼
We investigated the maximum expiratory flow (PEF) value of healthy children and adolescents aged 3 to 18 in our city from April to June 1997 and reported the following. PARTICIPANTS: Selection Criteria: ① 956 2 children and adolescents were enrolled in 2 kindergartens, 4 primary schools and 4 secondary schools in Zhifu District of the city, including 476 males and 4797 females; ② no history of respiratory and cardiovascular diseases ; ③ no call within 2 weeks