Table 1. Clinicopathological correlation analysis between SALL4 expression and patients.

Clinical features	SALL4 expression		P
	Low expression (n=20)	High expression (n=42)
Gender			0.239
Male	11	25
Female	9	17
Age			0.946
<50	7	15
≥50	13	27
Differentiation			0.137
Poorly differentiated	15	29
Well differentiated	5	13
Smoking			0.322
Yes	8	17
No	12	25
Tumor size			0.418
≤3 cm	7	19
>3 cm	13	23
TNM staging			0.012*
I–II	15	20
III–IV	5	22
Lymph node			0.002*
Metastasis	14	19
No	6	23

*, P<0.05. SALL4, Sal-like protein 4.