Prognostic significance of sex determining region Y-box 2, E-cadherin, and vimentin in esophageal squamous cell carcinoma

Table 1 Baseline demographic and clinical characteristics of the 185 patients with esophageal squamous cell carcinoma

Characteristic	n (%)
Age, yr
< 65	100 (54.1)
≥ 65	85 (45.9)
Gender
Male	129 (69.7)
Female	56 (30.3)
Ethnicity
Han	96 (51.9)
Kazakh	89 (48.1)
Tumor location
Upper	8 (4.3)
Middle	97 (52.4)
Lower	80 (43.2)
Tumor size
< 3 cm	121 (65.4)
≥ 3 cm	64 (34.6)
Degree of differentiation
High	23 (12.4)
Moderate	117 (63.2)
Poor	45 (24.3)
AJCC stage
I	15 (8.1)
II	119 (64.3)
III	35 (18.9)
IV	16 (8.6)
T stage
T1	7 (3.8)
T2	78 (42.2)
T3	91 (49.2)
T4	9 (4.9)
N stage
N0	128 (69.2)
N1	33 (17.8)
N2	19 (10.3)
N3	5 (2.7)
M stage
No	176 (95.1)
Yes	9 (4.9)
Depth of invasion
Mucosa	51 (27.6)
Muscularis	49 (26.5)
Full thickness	85 (45.9)
Lymph node metastasis
No	128 (69.2)
Yes	57 (30.8)
Survival status
Alive	139 (75.1)
Dead	46 (24.9)