Baseline	3 months	Δ
FEV1 (L)	1.24 (0.40-1.69)	1.47 (0.53-1.83)	0.23
FVC (L)	2.68 (1.27-4.07)	3.15 (1.47-5.10)	0.47
RV (L)	5.41 (4.77-5.58)	4.59 (3.12-5.54)	-0.82
SGRQ	60.8 (26.9-87.1)	49.9 (13.7-70.9)	-10.9
6MWT (m)	274 (60-479)	374 (139-571)	100