Table 2

Treatment × time interactions

Outcome variablep value
FEV1=forced expiratory volume in 1 second; FVC=forced vital capacity; MEF25, MEF50=maximal expiratory flow at 25% and 50% of FVC; PC20=concentration provoking a fall in FEV1 of 20% or more.
FEV1 after0.4906
FEV1 before0.7286
FEV1 (% pred) after0.4741
FEV1 (% pred) before0.7772
MEF250.2705
MEF500.1500
FEV/FVC0.0720
log2 PC200.5538