TABLE 2.

Forced expiratory volume in 1s (FEV₁) and Specific airway conductance (sGaw) before and after methacholine challenge testing (MCT)

	Baseline	Post MCT	Δ, %	Post BD	Δ, %
FEV1, L	2.93	2.70	−8	3.14	+7
sGaw, L/s/cm H2O/L	0.26	0.07	−73	0.33	+27

BD Bronchodilator