TABLE 1.

Association of clinicopathological data and expression of TP53 in ESCC patients.

Patient characteristics	TP53 expression		χ2	P-value
	High (n = 59)	Low (n = 6)
Age			0.437	0.508
<65	28	2
≥65	31	4
Gender			0.271	0.603
Male	45	4
Female	14	2
Tumor size			0.538	0.764
<3 cm	15	2
3–5 cm	40	4
>5 cm	4	0
Tumor location			1.06	0.589
Upper	9	1
Middle	40	3
lower	10	2
TNM stage			12.2	0.007*
I	7	4
II	31	2
III	19	0
IV	2	0
Lymph node metastasis			4.697	0.030*
Yes	27	0
No	32	6
Differention			1.036	0.596
Well	20	1
Moderate	27	4
Poor	12	1

Using a Fisher’s exact test. The p-value was set at 0.05 and * indicates p < 0.05.