Comparing short-term outcomes of robot-assisted and conventional laparoscopic total mesorectal excision surgery for rectal cancer in elderly patients

Table 4 Univariate and multifactorial analysis of postoperative complications

Factors	Single factor analysis			Multiple factor analysis
	OR	95%CI	P Value	OR	95%CI	P Value
Age	1.054	0.961-1.157	0.263
Gender	0.375	0.075-1.874	0.232
Tumor level from anal verge	0.26	0.06-1.121	0.071
History of cardiopulmonary disease	2.074	0.502-8.563	0.313
BMI	1.123	0.893-1.413	0.321
History of abdominal surgery	0.674	0.133-3.411	0.633
HGB	1.028	0.985-1.074	0.2
ALB	0.974	0.78-1.217	0.818
History of neoadjuvant therapy	0	0	0.999
Operation time	1.016	1.004-1.028	0.009	1.007	0.989-1.025	0.461
Surgical path	0.715	0.188-2.718	0.623
Intraoperative bleeding	1.009	1.002-1.015	0.006	1.008	0.999-1.018	0.075
Ostomy	2.279	0.915-5.68	0.077

BMI: Body mass index; HGB: Hemoglobin; ALB: Albumin.