Factors influencing postoperative complications in patients with gastric cancer: A retrospective study

Table 5 Univariate analysis and multivariate analysis of risk factors for postoperative complications, n (%)

Risk factor	Complication (n = 142)	No complication (n = 358)	Univariate P value	Multivariate OR (95%CI)	Multivariate P value
Age ≥ 70 years	58 (40.8)	92 (25.7)	0.001	1.78 (1.21-2.62)	0.003
BMI ≥ 25 kg/m²	51 (35.9)	89 (24.9)	0.015	1.56 (1.05-2.31)	0.027
ASA score ≥ III	52 (36.6)	74 (20.7)	< 0.001	Not identified	Not identified
Diabetes	37 (26.1)	58 (16.2)	0.012	Not identified	Not identified
Preop albumin < 3.5 g/dL	45 (31.7)	76 (21.2)	0.015	Not identified	Not identified
Advanced tumor stage (III)	62 (43.7)	104 (29.1)	0.002	1.92 (1.29-2.86)	0.001
Total gastrectomy	68 (47.9)	119 (33.2)	0.003	1.75 (1.18-2.59)	0.005
Combined organ resection	28 (19.7)	40 (11.2)	0.014	Not identified	Not identified
Operative time ≥ 240 minutes	71 (50.0)	129 (36.0)	0.004	1.63 (1.10-2.42)	0.015
Blood loss ≥ 300 mL	53 (37.3)	97 (27.1)	0.026	Not identified	Not identified

BMI: Body mass index; ASA: American Society of Anesthesiologists; OR: Odds ratio; CI: Confidence interval.