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收集１９８７一０１～１９８９一１１行双倾斜分层者８００余例，从中选择符合测量标准的２５０例，及经手术和／或病理证实的肺癌８０例进行测量，经统计学处理，正常组同一测量点同性别的成人各年龄组间相差不显著（Ｐ＞０．５或０．２），同一测量点男女之间相差不显著（Ｐ＞０．５），正常组与病变组间各点相差非常显著（Ｐ＜０．０１）。本文提出了正常成人中间支气管、基底干管腔和管壁的参考正常值，有助于提高肺部疾病的诊断。
Eighty-two patients with double-delamination stratified from 1987 to 1989 were selected, from which 250 patients were selected to meet the measurement criteria and 80 patients with lung cancer confirmed by surgery and / or pathology. After statistical analysis, the same group The difference between men and women in the same measurement point was not significant (P> 0.5), but there was no significant difference between the two groups (P> 0.5 or 0.2) The difference was significant (P <0.01). This article presents the normal adult middle bronchial, basilar lumen and wall reference value, helps to improve the diagnosis of lung disease.