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测定慢性气道阻塞(CAO)缓解期病人177例(40例慢性支气管炎、46例支气管哮喘、45例肺气肿和46例肺心病)和正常非吸烟者41例的FEV_1 、PEFR和V_(50)。3项指标在正常组与4组病人组间有显著差异性,5组间3项指标T_2检验,除慢支与支哮组间差异不显著外,其他任何两组间差异非常显著,五组中任一项指标均有显著差异性。各指标对任两组的比较,除慢支与支哮组间FEV_1、PEFR差异不显著,慢支与支哮、支哮与肺气肿组间V_(50)差异不显著外,其余各指标对任何两组均有非常显著的差异性。认为FEV_1是考核CAO最敏感的指标。
The FEV_1, PEFR and V_ (41) were measured in 177 patients (40 with chronic bronchitis, 46 with bronchial asthma, 45 with emphysema and 46 with cor pulmonale) and 41 with normal nonsmokers in patients with remission of chronic airway obstruction (CAO) 50). Three indicators in the normal group and the four groups of patients with significant differences between the five groups of three indicators T_2 test, except for chronic bronchitis and bronchial asthma group was no significant difference between the other two groups, the difference was significant, five groups In any of the indicators were significantly different. There was no significant difference in FEV_1 and PEFR between chronic bronchitis and bronchial asthma group, V_ (50) difference between chronic bronchitis and bronchial asthma, bronchial asthma and emphysema, There was a very significant difference in any two groups. FEV_1 is considered the most sensitive indicator of CAO.