Table 2

Mean (SD) changes in pulmonary function after cold dry air challenge (CACh)

ParameterReal acupuncturePlacebo acupuncturep value
FEV1=forced expiratory volume in 1 second; MEF25=maximal expiratory flow at 25% remaining vital capacity; NS=not significant.
Post acupuncture to 3 min post CACh
    ΔFEV1 (%)–27.2 (18.2)–23.8 (16.2)NS
    ΔMEF25 (%)–51.6 (20.8)–44.4 (22.3)NS
Post acupuncture to15 min post CACh
    ΔFEV1 (%)–14.9 (14.1)–12.4 (10.2)NS
    ΔMEF25 (%)–29.7 (23.2)–28.9 (21.3)NS