[Retracted] Risk Factors of Benign Stricture of Anastomotic Stoma after Esophagectomy and Therapeutic Effect of Stent Implantation

Table 1

Comparison of the general information of the two groups.

Indexes	Classification	Stenosis group (n = 55)	Nonstenosis group (n = 37)	χ^2 value	value
Age	＜60 year	33 (60.00)	23 (62.16)	0.043	0.835
	≥60 year	22 (40.00)	14 (37.84)
Gender	Male	31 (56.36)	20 (54.05)	0.048	0.827
	Female	24 (43.64)	17 (45.95)
Tumor diameter	≤2 cm	35 (63.64)	25 (67.57)	0.151	0.698
	＞2 cm	20 (36.36)	12 (32.43)
Anastomosis method	By stapler	38 (69.09)	26 (70.27)	0.015	0.904
	By manual anastomosis	17 (30.91)	11 (29.73)
TNM phase	I∼II phase	19 (34.55)	13 (35.14)	0.003	0.954
	III∼IV phase	36 (65.45)	24 (64.86)
Pathological type	Squamous cell carcinoma	44 (80.00)	30 (81.08)	0.016	0.898
	Nonsquamous cell carcinoma	11 (20.00)	7 (18.92)
Anastomotic location	Above the tracheal bifurcation	30 (54.55)	9 (24.32)	8.272	0.004
	Below the tracheal bifurcation	25 (45.45)	28 (75.68)
Medical history	Yes	10 (18.18)	6 (16.22)	0.059	0.807
	No	45 (81.82)	31 (83.78)
Local blood supply	Well	16 (29.09)	25 (67.57)	13.255	＜0.001
	Not well	39 (70.91)	12 (32.43)
Expansion method	By balloon	27 (49.09)	20 (54.05)	0.218	0.641
	By rod	28 (50.91)	17 (45.95)
Eating time	＜12 h	16 (29.09)	24 (64.86)	11.519	0.001
	≥12 h	39 (70.91)	13 (35.14)