Table 3.

Multivariate analysis for risk factors associated with postoperative complications

	MUST ≥1		NRS-2002 ≥3		MST ≥2		SNAQ ≥2
	OR (95%CI)	P	OR (95%CI)	P	OR (95%CI)	P	OR (95%CI)	P
Nutritional risk	1.172 (0.834-1.647)	0.361	1.198 (0.847-1.694)	0.308	1.098 (0.775-1.555)	0.600	1.417 (0.968-2.073)	0.073
Sarcopenia	2.270 (1.523-3.383)	<0.001*	2.252 (1.509-3.360)	<0.001*	2.288 (1.536-3.410)	<0.001*	2.270 (1.522-3.385)	<0.001*
Gender (male/female)	1.247 (0.856-1.818)	0.251	1.245 (0.855-1.815)	0.253	1.246 (0.853-1.820)	0.255	1.256 (0.862-1.830)	0.236
Age ≥75 y	1.443 (0.962-2.165)	0.076	1.412 (0.940-2.123)	0.097	1.430 (0.952-2.146)	0.085	1.455 (0.968-2.187)	0.071
BMI <18.5	0.971 (0.524-1.799)	0.926	0.987 (0.539-1.807)	0.966	1.035 (0.570-1.879)	0.910	1.016 (0.559-1.847)	0.958
Charlson comorbidity index ≥1	1.838 (1.319-2.562)	<0.001*	1.823 (1.308-2.542)	<0.001*	1.821 (1.306-2.540)	<0.001*	1.819 (1.304-2.537)	<0.001*
Anemia	1.407 (0.979-2.021)	0.065	1.422 (0.991-2.039)	0.056	1.426 (0.994-2.046)	0.054*	1.399 (0.974-2.008)	0.069
Hypoproteinemia	1.243 (0.827-1.869)	0.295	1.225 (0.813-1.846)	0.333	1.251 (0.833-1.881)	0.280	1.219 (0.809-1.835)	0.344
Tumor located at cardia	1.784 (1.154-2.756)	0.009*	1.759 (1.138-2.719)	0.011*	1.777 (1.150-2.746)	0.010*	1.791 (1.158-2.769)	0.009*
Laparoscopic surgery	0.785 (0.536-1.151)	0.215	0.790 (0.538-1.159)	0.277	0.780 (0.533-1.144)	0.203	0.787 (0.537-1.154)	0.220

*Statistically significant (P < 0.05);

OR, odds ratio; CI, confidence interval; BMI, body mass index.