Table 4

Results of adjusted, multivariate regression analysis for continuous variables.

Outcome	Death			Sepsis			Surgical Site Infection
Factor	OR	95% CI	P	OR	95% CI	P	OR	95% CI	P
For every one decrease in geriatric nutritional risk index	1.058	1.038–1.078	<0.001	1.058	1.042–1.075	<0.001	1.021	1.004–1.041	0.016
For every one decrease in albumin (g/L)	1.086	1.056–1.117	<0.001	1.091	1.066–1.186	<0.001	1.032	1.004–1.060	0.023
For every one increase in age (y)	1.061	1.033–1.089	<0.001	1.007	0.984–1.031	0.536	0.970	0.944–0.996	0.022
For every one decrease in body mass index	0.989	0.961–1.019	0.475	0.998	0.978–1.003	0.612	1.032	1.008–1.056	0.008