TSPAN1 protein expression: A significant prognostic indicator for patients with colorectal adenocarcinoma

Table 2 Univariate analysis by Log-rank test

Parameters	5-yr survival rate (%)	Log-rank test
		χ2	P
TSPAN1 expression
-	66.67 (6/9)	15.48	0.0015
+	71.4 (5/7)
++	35.3 (6/17)
+++	11.1 (1/9)
Grade
Well	87.5 (7/8)	6.91	0.0316
Moderate	37.5 (6/16)
Poor	27.8 (5/18)
Node status
No	71.6 (12/17)	15.67	0.0001
Yes	24.0 (6/25)
PCNA expression
+	63.1 (12/19)	9.05	0.0026
++-+++	26.1 (6/23)
TNM stages
I	83.3 (10/12)	16.20	0.0030
II	62.5 (5/8)
III-IV	13.6 (3/22)
Vascular invasion
No	46.4 (13/28)	1.39	0.2377
Yes	37.7 (5/14)
Perineural invasion
No	44.7 (14/32)	0.77	0.3795
Yes	40.0 (4/10)
Desmoplasia
No	33.3 (3/9)	0.02	0.8829
Yes	42.4 (15/33)