Is intraperitoneal isoperistaltic side-to-side anastomosis a safe surgical procedure in radical colon cancer surgery

Table 7 Characteristics in the left-side group after the stratified analysis, mean ± SD

	L-IA (n = 16)	L-EA (n = 16)	P value
Age, years	58.44 ± 14.1	61.50 ± 9.57	0.478
Sex, n (%)			0.077
Male	10 (62.5)	5 (68.7)
Female	6 (37.5)	11 (31.3)
BMI, kg/m2	22.23 ± 3.21	23.21 ± 2.90	0.370
Incision size, cm	3.03 ± 0.53	5.38 ± 1.02	< 0.001
Blood loss, mL	56.88 ± 41.91	75.00 ± 46.19	0.254
Operation time, hours	198.69 ± 45.12	196.56 ± 54.95	0.254
Exhaust time, days	3.44 ± 0.96	4.63 ± 1.15	0.004
Defecation time, days	6.38 ± 1.75	8.13 ± 1.45	0.004
Eating time, days	4.38 ± 1.63	5.31 ± 1.30	0.082
Peritoneal drainage time, days	8.50 ± 2.03	9.88 ± 2.78	0.121
Postoperative hospital stay, days	9.94 ± 2.72	12.94 ± 5.00	0.046
Cleared lymph nodes	22.81 ± 11.14	25.69 ± 13.94	0.524
Complication, n (%)			0.200
Yes	2 (12.5)	5 (31.3)
No	14 (87.5)	11 (68.7)

L: Left; IA: Intraperitoneal anastomosis; EA: Extraperitoneal anastomosis; BMI: Body mass index.