Clinical efficacy and safety of double-channel anastomosis and tubular gastroesophageal anastomosis in gastrectomy

Table 2 Comparison of intraoperative and postoperative conditions between the two groups

Group	Cases	Surgical methods		Intraoperative bleeding volume (mL)	Number of lymph nodes resected	Operative time (h)	Hospital stay (d)	Short-term complications after anastomotic surgery (%)
		Laparoscopic	Open					Total	Anastomotic bleeding	Anastomotic leakage	Gastroparesis	Pneumonia	Infect
Dual-channel anastomosis group	50	16 (32.0)	34 (68.0)	200 (100, 300)	17 (15, 21)	4 (3, 4)	16 (15, 18)	5 (10.0)	1	2	1	0	1
Tubular gastroesophageal anastomosis group	49	10 (20.4)	39 (79.6)	200 (100, 200)	20 (16, 25)	3.6 (3.1, 4.0)	14 (13, 18)	4 (8.2)	1	1	1	1	0
Statistics		χ2 = 1.717		Z = 0.245	Z = 1.866	Z = 0.102	Z = 1.463	χ2 = 0.101
P value		0.19		0.807	0.062	0.918	0.144	0.751