Table 2

Diagnostic value of endobronchial biopsies in asthma and COPD

Sensitivity (%)Specificity (%)Likelihood ratio
Values are presented as mean (95% confidence intervals).
Observer A48 (32 to 62)79 (68 to 91)2.3 (0.8 to 3.8)
Observer B36 (22 to 50)63 (48 to 77)0.97 (0.4 to 1.5)
Observer C45 (30 to 60)56 (39 to 72)1.01 (0.5 to 1.5)