Table 4.

Pulmonary function test changes

Characteristic	Mean pretreatment	Mean posttreatment	Median change	p value
FEV1
Liters	1.26	1.18	−0.05	0.46
% predicted	56.8	55.0	−5	0.71
FVC
Liters	2.29	2.07	−0.06	0.45
% predicted	77.8	76.7	−3	0.47
DLCO
mL/min/mmHg	10.29	9.01	−1.25	0.01
% predicted	53.5	52.1	−10	0.10
TLC
Liters	5.63	5.67	−0.25	0.36
% predicted	111	134	−5	0.75