Table 2.

Number of Events by Treatment Arm

	Total Number of Events		Among Subjects Who Had 1 Event		Among Subjects Who Had >1 Event
Event	Inhaled Treprostinil (n = 89)	Placebo (n = 109)	Inhaled Treprostinil (n = 54)	Placebo (n = 51)	Inhaled Treprostinil (n = 35)	Placebo (n = 58)
Decline in 6MWD ⩾ 15%	45	64	21	19	24	45
Exacerbation	48	72	11	15	37	57
Decline in FVC ⩾ 10%	19	33	10	13	9	20
Cardiopulmonary hospitalization	23	33	6	4	17	29
Lung transplantation	2	1	1	0	1	1
Death	10	12	5	0	5	12
Total	147	215	54	51	93	164

Definition of abbreviation: 6MWD = 6-minute-walk distance.