Table 7. Adjusted effects of risk factors on long-term survival.

Variable	HR#	95% confidence limits#	Parameter estimate#	P value#
Age ≥65 years	2.950	2.04–4.26	1.08181	<0.0001
Marfan	6.072	2.52–14.66	1.80375	<0.0001
Baseline GFR	0.994	0.98–0.99	−0.00619	0.0179
CAD	1.786	1.25–2.55	0.58001	0.0015
Prior PV bypass	4.679	1.430–15.3	1.54318	0.0107
Hypotension	1.934	1.344–2.78	0.65950	0.0004
IMH	0.635	0.407–0.99	−0.45407	0.0456

^#, estimates from Cox proportional-hazards regression analysis. CAD, coronary artery disease; GFR, baseline glomerular filtration rate; HR, hazard ratio; MPS, malperfusion syndrome; IMH, intramural hematoma.