Table 2.

Distribution of Nectin-4 in esophageal cancer and patient clinicopathological characteristics.

Characteristic	Number of patients	Nectin-4 expression		χ2	P-value
		Nectin-4 negative	Nectin-4 positive
Age (years)				0.004	0.951
<60	23	6	17
≥60	59	15	44
Gender
Male	62	17	45	0.437	0.509#
Female	20	4	16
Tumor size (cm)
<4.5	43	16	27	6.385	0.012*
≥4.5	39	5	34
AJCC stage
I–II	45	11	32	0.021	0.884
III–IV	37	10	27
Tumor invasion (T stage)
T1/T2	19	9	10	7.081	0.008*
T3/T4	63	11	52
Lymph node metastasis
Absent	44	12	32	0.095	0.922
Present	38	10	28

AJCC – American Joint Committee on Cancer. Values were analyzed using the chi-squared (χ²) test or Fisher’s exact test.

^#Incomplete data were removed.

^*P<0.05.