TABLE 3.

Predictors of mortality for entire cohort: Cox proportional hazard regression univariable analyses

Variable	Category	HR	CI (95%)	P value
Age
	<30	Ref		-
	31–40	1.55	1 – 2.4	.051
	41–50	2.13	1.43 – 3.19	<.0001
	41–60	3.15	2.13 – 4.65	<.0001
	61–70	5.33	3.62 – 7.84	<.0001
	71–80	9.84	6.69 – 14.47	<.0001
	81–90	14.82	10.06 – 21.84	<.0001
	>91	19.61	12.63 – 30.44	<.0001
Male Gender		0.85	0.82 – 0.89	<.0001
TR
	None	Ref		-
	Mild	1.17	1.1 – 1.24	<.0001
	Moderate	1.55	1.43 – 1.68	<.0001
	Severe	2.02	1.79 – 2.28	<.0001
Type of Surgery
	Tricuspid valve	Ref		-
	Mitral valve	0.66	0.6 – 0.74	<.0001
	CABG	0.74	0.67 – 0.82	<.0001
	Aortic valve	0.50	0.45 – 0.56	<.0001
	Other	0.80	0.72 – 0.9	<.0001
Year of Surgery
	2010–2014	Ref		-
	1990–1994	1.85	1.66 – 2.07	<.0001
	1995–1999	1.90	1.72 – 2.09	<.0001
	2000–2004	1.55	1.4 – 1.7	<.0001
	2005–2009	1.11	1 – 1.23	.048
LV dysfunction
	None	Ref		-
	Mild	1.50	1.41 – 1.59	<.0001
	Moderate	1.82	1.7 – 1.94	<.0001
	Severe	2.05	1.91 – 2.21	<.0001
RV dysfunction
	None	Ref		-
	Mild	1.53	1.43 – 1.64	<.0001
	Moderate	1.70	1.53 – 1.89	<.0001
	Severe	2.04	1.72 – 2.42	<.0001

HR, hazard ratio; CI, confidence interval; TR, tricuspid regurgitation; CABG, coronary artery bypass graft; LV, left ventricle; RV, right ventricle