Analysis of risk factors for dysphagia in patients after laparoscopic radical gastrectomy

Table 4 Postoperative pathologic data were analyzed, n (%)

Variable	Patients with dysphagia (n = 18)	Patients without dysphagia (n = 97)	P value
Msi	1 (5.6)	4 (4.1)	0.784
Her2+	2 (11.1)	10 (10.3)	0.919
Pathology type of tumor	-	-	0.803
Adenocarcinoma	17 (94.4)	86 (88.7)	-
Signet-ring cell carcinoma	1 (5.6)	6 (6.2)	-
Neuroendocrine tumor	0	1 (1.0)	-
Low adhesion carcinoma	0	4 (4.1)	-
The longest diameter of the tumor (cm) mean ± SD	3.16 ± 1.77	4.40 ± 2.66	0.058
Tumor location			0.925
Upper	2 (11.1)	13 (13.4)	-
Middle	4 (22.2)	24 (24.7)	-
Lower	12 (66.7)	60 (61.9)	-
Tumor differentiation			0.117
Poor	14 (77.8)	75 (77.3)	-
Moderate-poor	2 (11.1)	20 (20.6)	-
Medium	2 (11.1)	2 (2.1)	-
The pT category			0.461
< T2	1 (5.6)	11 (11.3)	-
T2-T4a	17 (94.4)	86 (88.7)	-
The pN category			0.087
0	9 (50.0)	34 (35.1)	-
1	5 (27.8)	11 (11.3)	-
2	3 (16.7)	19 (19.6)	-
3	1 (5.6)	33 (34.0)	-

Msi: Microsatellite instability; Her2+: Human epidermal growth factor receptor 2.