...ry disease,COPD)是严重危害人类健康的呼吸系统疾病,患病人数多,美国有2400万人患有不同程度的COPD气流受限(airflow limitation),这些病例中一半以上没有得到诊断[1].
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Logistic regression was used to develop a diagnostic prediction model for airflow limitation.
研究以逻辑回归建立气流限制诊断预测模型。
The Patients of chronic bronchitis, pulmonary empHysema whose spirometry show airflow limitation not fully reversible can be diagnosed as COPD.
当慢性支气管炎、肺气肿患者肺功能检查出现气流受限、并且不能完全可逆时，则诊断COPD。
Smear-positive rate increased with increasing degree of airflow limitation, the difference between the groups was statistically significant (P< 0.05).
痰检阳性率随气流受限程度加重增加，组间差异具有统计学意义（P<0.05）。
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