Table 2

 Comparison of ROC cut off values for bronchodilator responsiveness (BDR)

BDRNon-wheezers(n = 58)Wheezers(n = 84)Sensitivity% (95% CI)Specificity% (95% CI)
6%563459 (46 to 70)66 (55 to 74)
9%722950 (38 to 62)86 (78 to 92)
12%822035 (24 to 47)98 (92 to 99)