Table 3.

Univariable logistic regression for death at 30 days, 90 days and readmission

	Unadjusted OR for death at 30 days, (95% CI), p value	Unadjusted OR for death at 90 days, (95% CI), p value	Unadjusted OR for readmission, (95% CI), p value
Multimorbidity	0.81 (0.30 to 2.17), 0.68	1.24 (0.55 to 2.81), 0.60	1.31 (0.74 to 2.34), 0.35
Haemoglobin (≤129 g/L)	1.56 (0.63 to 3.84), 0.33	1.83 (0.92 to 3.67), 0.09	1.58 (0.97 to 2.57), 0.06
Albumin, (≤35  g/L)	2.74 (1.07 to 7.02), 0.04	3.09 (1.50 to 6.37), 0.002	1.27 (0.78 to 2.07), 0.33
Polypharmacy (yes %)	1.44 (0.51 to 4.05), 0.49	1.24 (0.58 to 2.66), 0.58	1.88 (1.07 to 3.33), 0.03
Mildly frail or worse	2.77 (1.11 to 6.84), 0.03	3.29 (1.64 to 6.60), 0.001	1.81 (1.08 to 3.02), 0.02
Operation (yes %)	1.03 (0.33 to 3.16), 0.96	1.04 (0.44 to 2.48), 0.93	1.46 (0.82 to 2.61), 0.19

Main effects included in the adjusted multivariable model are in bold.