. Author manuscript; available in PMC: 2020 Dec 1.

Published in final edited form as: Circ Cardiovasc Imaging. 2019 Dec;12(1):e008176. doi: 10.1161/CIRCIMAGING.118.008176

Table 5:

Cox regression analysis and Uno’s concordance statistic of right ventricular parameters adjusted for age, body surface area, and gender

RV parameters	Uno’s concordance statistic (SEM)	Integrated AUC of ROC curves	Adjusted Hazard Ratio (95% CI)^*	Pr > ChiSq^†
ESVi (mL/m²)	0.79 (0.05)	0.75	1.04 (1.02, 1.06)	0.0000003
3D FAC (%)	0.79 (0.06)	0.76	0.84 (0.78, 0.90)	0.0000010
EDVi (mL/m²)	0.76 (0.06)	0.75	1.03 (1.02, 1.04)	0.0000023
RV EF (%)	0.77 (0.06)	0.71	0.83 (0.76, 0.90)	0.0000060
2D FAC (%)	0.80 (0.06)	0.77	0.92 (0.89, 0.96)	0.0000159
SV/ESV	0.77 (0.05)	0.71	0.001 (0.00007, 0.03)	0.0000168
WHO-FC III-IV	0.71 (0.09)	0.67	5.87 (2.22, 15.50)	0.0003511
FW RVLS (%)	0.69 (0.06)	0.67	1.15 (1.04, 1.28)	0.0048020

Hazard ratio per one-unit change in predictor. For WHO it is HR of WHO of 3 or 4 over WHO of 1 or 2.

^†

p-values testing for HR=1 and sorted ascendingly

2D = two dimensional; EDVi end-diastolic volume indexed, EF = ejection fraction, ESVi = end-systolic volume indexed, FAC = fractional area change; FW RVLS = free wall right ventricular longitudinal strain, SVi = stroke volume indexed, WHO-FC = world health organization functional class.