. Author manuscript; available in PMC: 2014 Aug 1.

Published in final edited form as: JACC Heart Fail. 2013 Aug 5;1(4):300–307. doi: 10.1016/j.jchf.2013.05.004

Table 4.

Outcome Differences among Treatment Groups

Outcome	Prostanoid (n = 21)	Oral (n = 17)	Mixed Therapy (n = 7)	Vasodilator Responsive (n = 7)	p
Delta 6MWD	124±106^*	4±109	40±57	32±35	0.013
Delta Functional Class	−1.3±0.6^†	−0.5±0.5	−0.7±0.8	−1.0±0.8	0.001

Negative value indicates improvement in functional class. 6MWD = six minute walk distance.

p = 0.006 vs. Oral therapy group.

^†

p < 0.001.