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

Table 6 Characteristics in the right-side group after the stratified analysis, mean ± SD

	R-IA (n = 47)	R-EA (n = 47)	P value
Age, years	62.32 ± 10.55	60.19 ± 11.97	0.363
Sex, n (%)			1.000
Male	22 (46.8)	22 (46.8)
Female	25 (53.2)	25 (53.2)
BMI, kg/m2	22.69 ± 2.38	5.66 ± 1.83	0.777
Incision size, cm	3.65 ± 0.85	5.72 ± 1.41	< 0.001
Blood loss, mL	55.96 ± 34.56	88.09 ± 68.45	0.005
Operation time, hours	226.06 ± 40.48	193.57 ± 44.68	< 0.001
Exhaust time, days	3.15 ± 1.32	4.94 ± 1.75	< 0.001
Defecation time, days	6.81 ± 1.61	8.19 ± 1.81	< 0.001
Eating time, days	4.38 ± 1.71	5.66 ± 1.83	0.001
Peritoneal drainage time, days	8.15 ± 3.07	9.98 ± 3.44	0.008
Postoperative hospital stay, days	11.26 ± 4.55	11.63 ± 5.43	0.712
Cleared lymph nodes	37.15 ± 14.17	29.74 ± 11.11	0.006
Complication, n (%)			0.797
Yes	10 (21.3)	9 (19.1)
No	37 (78.7)	38 (80.9)

R: Right; IA: Intraperitoneal anastomosis; EA: Extraperitoneal anastomosis; BMI: Body mass index.