Table 3

Numbers (proportions) of patients showing clinically relevant changes in health status (overall AQLQ score change of >0.5) in breathing retraining and asthma education groups and number needed to treat (NNT) for one patient to benefit

ImprovedUnchangedDeterioratednNNT
1 month
Breathing retraining9/16 (0.56)7/16 (0.44)0/16 (0)16
Asthma education2/15 (0.13)10/15 (0.67)3/15 (0.20)151.96
6 months
Breathing retraining9/16 (0.56)5/16 (0.31)2/16 (0.20)16
Asthma education3/12 (0.25)7/12 (0.58)2/12 (0.17)123.57