TABLE 2.

BASELINE AND POSTRANDOMIZATION COMPARISON OF FEV₁ AT PRERANDOMIZATION AND 6, 12, 24, AND 36 MONTHS POSTRANDOMIZATION

Time from Randomization, Mean FEV1 (L)	Surgical Cohort	Medical Cohort	Difference (L)	P Value
Prerandomization	0.76 (n = 601)	0.78 (n = 603)	−0.014	0.32
6 Months	0.97 (n = 490)	0.78 (n = 437)	0.19	<0.001
12 Months	0.92 (n = 420)	0.79 (n = 364)	0.13	<0.001
24 Months	0.88 (n = 353)	0.80 (n = 290)	0.08	<0.001
36 Months	0.84 (n = 222)	0.77 (n = 169)	0.07	0.04