Table 3.

Multivariate analysis of all-cause mortality

Factors	HR	Univariate 95% CI	p value	HR	Multivariate 95% CI	p value
Age, years	1.110	1.032–1.193	0.005	1.010	0.920–1.108	0.839
Serum albumin, mg/dl	0.238	0.121–0.467	< 0.001	0.235	0.092–0.602	0.003
EuroSCORE II, %	1.330	1.132–1.563	0.001	1.170	0.941–1.455	0.158
CKD	1.330	1.132–1.563	0.001	1.237	0.411–3.723	0.705
Peripheral vascular disease	2.637	0.615–11.31	0.192	1.323	0.245–7.135	0.745
Lowest 20th percentile of PAI†	2.273	1.017–5.081	0.045	2.959	1.084–8.079	0.034

EuroSCOREII European System for Cardiac Operative Risk Evaluation II; CKD chronic kidney disease, serum creatinine > 1.5 mg/dl; HR hazard ratio; CI confidence interval; PAI psoas muscle area index

^†PAI ≤ 956 mm²/m² for males and PAI ≤ 730 mm²/m² for females