An actin-binding protein ESPN is an independent prognosticator and regulates cell growth for esophageal squamous cell carcinoma

Table 2 Associations between ESPN expression and clinicopathological parameters in 169 patients with ESCC receiving esophagectomy

Parameters	ESPN expression
Parameters	Low	High	P value
Age
< 55 y/o	42	41	0.70
≥ 55 y/o	41	45
Sex
Male	81	82	0.68
Female	2	4
Primary tumor location
U/M	41	49	0.32
L	42	37
Pathological T classification
T1/T2	49	41	0.14
T3/T4	34	45
Pathological N classification
N0	59	56	0.41
N1/2/3	24	30
Pathological 7th AJCC Stage
I/II	64	59	0.21
III	19	27
Histological grading
Grade 1/2	60	65	0.63
Grade 3	23	21
Surgical margin
Negative	72	78	0.42
Positive	11	8

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