Table 5.

Cox Multivariable Hazard Ratios for REVEAL 2.0 score, REVEAL Risk Category, Baseline and With ST2 in PAHB (N = 181)

Model	Model Description	Hazard Ratio, P Value	C-Statistic (95% CI)
A	REVEAL score	1.62 (1.2-2.18, .001)	0.73 (0.62-0.85)
B	REVEAL risk category	1.88 (1.2-2.8, .003)	0.69 (0.56-0.83)
C	REVEAL score + ST2	1.5 (1.2-1.8, < .0001)	0.78 (0.67-0.9)
D	REVEAL risk category + ST2	2.05 (1.3-3.3, .003)	0.78 (0.65-0.89)

PAHB = National Biological Sample and Data Repository for PAH; REVEAL = Registry to Evaluate Early and Long-Term PAH Disease Management; ST2 = soluble suppressor of tumorigenicity.