Application of modified primary closure of the pelvic floor in laparoscopic extralevator abdominal perineal excision for low rectal cancer

Table 2 Perioperative data.

	Modified primary closure(n = 32)	Biological mesh closure(n = 44)	P value
Reconstruction time (min)	14.6 ± 3.7	7.2 ± 1.9	< 0.001
Total operative time (min)	236 ± 20	248 ± 43	0.143
Intraoperative blood loss (mL)	165 ± 57	149 ± 52	0.242
Positive CRM	0	0	N/A
Bowel perforation	0	1	1.000
Recovery of bowel function (h)	22.8 ± 4.7	23.6 ± 5.0	0.475
Intestinal obstruction	0	1	1.000
Drainage removal (days after surgery)	6.6± 1.1	7.3 ± 2.0	0.094
Postoperative hospital stay (d)	8.1 ± 1.9	10.1 ± 2.8	0.001
Cost (USD)	9297 ± 1260	10719 ± 2360	0.003

CRM: Circumferential margin; USD: United States Dollar.