Table 3.

Effect of body weight on all-cause mortality during follow-up

	Univariate HR (95% CI)	p	Multivariatea HR (95% CI)	p
At 30-day follow-up
Body mass indexb	0.98 (0.95–1.01)	0.258	0.98 (0.94–1.02)	0.374
Normal weight vs. overweight	0.70 (0.50–0.98)	0.038	0.68 (0.45–0.95)	0.027
Normal weight vs. obese	0.79 (0.54–1.17)	0.237	0.81 (0.50–1.29)	0.370
Overweight vs. obese	1.13 (0.74–1.72)	0.583	1.18 (0.71–1.96)	0.520
At 1‑year follow-up
Body mass indexb	0.98 (0.94–1.01)	0.189	0.97 (0.94–1.02)	0.217
Normal weight vs. overweight	0.65 (0.47–0.91)	0.013	0.69 (0.43–0.88)	0.009
Normal weight vs. obese	0.74 (0.50–1.10)	0.136	0.70 (0.43–1.12)	0.133
Overweight vs. obese	1.14 (0.75–1.74)	0.547	1.19 (0.72–1.96)	0.497

HR hazard ratio, CI confidence interval

^aAdjusted for: age, gender, New York Heart Association (NYHA) class ≥ III, diabetes mellitus, hypertension, dyslipidaemia, left ventricular ejection fraction (LVEF), calcium channel blockers, beta blockers, antiarrhythmics, diuretics, angiotensin II receptor blockers, aspirin, lipid-lowering agents, insulin, periprosthetic aortic valve regurgitation (PPR) ≥mild, postoperative delirium, hospital stay

^bAs a continuous variable