Table 2.

Logistic regression with univariable and multivariable analysis for predictors of postoperative complications

	Overall postoperative complications
	Univariable			Multivariable
	OR	95% CI	p Value	OR	95% CI	p Value
Age ≥70 years	1.55	0.74 to 3.27	0.247
Gender (female)	0.45	0.22 to 0.89	0.022	1.06	0.38 to 2.96	0.905
ASA I/II	1.33	0.66 to 2.68	0.42
ECOG 0/1	1.83	0.79 to 4.28	0.161
Cirrhosis	2.66	0.24 to 30	0.43
Cancer	1.33	0.63 to 2.84	0.456
Diabetes	0.77	0.3 to 2	0.59
BMI≥25 kg/m2	0.59	0.3 to 1.17	0.129
Approach (open)	8.49	3.72 to 19.18	<0.001	11.22	2.74 to 46.05	0.001
Duration ≥180 min	4.48	2.12 to 9.47	<0.001	0.47	0.11 to 1.94	0.297
Blood loss ≥200 mL	4.50	2.19 to 9.25	<0.001	1.68	0.57 to 4.99	0.350
ΔAlb POD1 ≥10 g/L	6.89	2.94 to 16.14	<0.001	3.29	1.14 to 9.49	0.028

Bold indicates significant => p<0.05

ASA, American Association of Anesthesiologists physical status classification system; BMI, body mass index; ECOG, Eastern Cooperative Oncology Group performance status; ΔAlb POD1, the difference between serum albumin concentration on POD −1 and POD 1 (g/L).; mE-PASS, modified estimation of physiologic ability and surgical stress.