Table 2.

RRBP1 expression correlation with clinicopathological characteristics in esophageal carcinoma

Clinicopathological characteristics	N	RRBP1		P-value
		Low-expression	High-expression
Age (years)
≤58	58	27	31	0.266
>58	62	22	40
Gender
Male	57	24	33	0.714
Female	63	25	38
History of smoking
Negative	55	20	35	0.853
Positive	65	29	36
Tumor location
Upper esophagus	56	27	29	0.14
Middle-lower esophagus	64	22	42
T stage
T1–T2	37	30	7	0.000
T3–T4	83	19	64
Lymph node metastasis
Negative	83	42	41	0.001
Positive	37	7	30
TNM stages
I–II	37	30	7	0.000
III–IV	83	19	64