Robotic-assisted low anterior resection for rectal cancer shows similar clinical efficacy to laparoscopic surgery: A propensity score matched study

Table 3 Complications within 30 d after surgery, n (%)

	RALAR (n = 111)					LALAR (n = 111)					P value	P value
	I	II	IIIa	IIIb	Overall	I	II	IIIa	IIIb	Overall	Overall	≥ III
Overall	0	14	1	0	15 (13.5)	3	7	2	2	14 (12.6)	1.0001	0.3751
Anastomotic leakage	0	12	1	0	13 (11.7)	1	6	0	2	9 (8.1)	0.4811	1.0001
Anastomotic stenosis	0	0	0	0	0	2	0	0	0	2 (1.8)	0.4982
Intestinal obstruction	0	1	0	0	1 (0.9)	0	2	1	0	3 (2.7)	0.6251	1.0002
Intraabdominal infection	0	2	0	0	2 (1.8)	0	2	0	1	3 (2.7)	1.0001	1.0002
Hemoperitoneum	0	0	0	0	0	0	0	1	0	1 (0.9)	1.0002	1.0002
Pneumonia	0	0	0	0	0	0	2	0	0	2 (1.8)	0.4982
Pulmonary atelectasis	0	0	0	0	0	4	0	0	0	4 (3.6)	0.1222
Venous thrombosis	0	1	0	0	1 (0.9)	0	0	0	0	0	1.0002

¹McNemar’s test.

²Fisher’s exact test.

RALAR: Robot-assisted low anterior resection; LALAR: Laparoscopic-assisted low anterior resection.