Table 3.

Kaplan–Meier estimated event rates at 1 year by presence of emphysema at enrollment

	CPFE	IPF alone
Death
Cumulative event count at 1 year	30	194
Event rate at 1 year, % (95% CI)	13.1 (8.1, 20.9)	7.8 (6.1, 9.9)
Lung transplant
Cumulative event count at 1 year	10	74
Event rate at 1 year, % (95% CI)	5.1 (2.1, 11.7)	3.8 (2.6, 5.4)
Hospitalization
Cumulative event count at 1 year	46	301
Event rate at 1 year, % (95% CI)	21.6 (14.6, 29.6)	20.6 (17.9, 23.5)
Death or lung transplant
Cumulative event count at 1 year	40	268
Event rate at 1 year, % (95% CI)	17.5 (11.7, 25.8)	11.2 (9.2, 13.6)
Death, lung transplant, or hospitalization
Cumulative event count at 1 year	58	417
Event rate at 1 year, % (95% CI)	30.4 (22.9, 39.7)	26.3 (23.4, 29.5)

For each outcome, the time to the first event was analyzed