Table 1.

Associations between nuclear ERK expression and clinicopathological parameters in 55 patients with colorectal carcinoma.

Variables		ERK nuclear			ERK cytoplasmic expression
	N	Low expression group (< 15%)	High expression group (≥15%)	p-value	Low expression group (< 50%)	High expression group (≥50%)	p-value
Gender
Male	33	16	17	0.99	7	26	0.235
Female	22	10	12		8	14
TNM stage
I	4	0	4	0.049	2	2	0.298
II-IV	51	26	25		13	38
Grade
I	23	20	25	> 0.10	10	33	0.404
II/III	8	4	4		3	5
Tumor location
Right colon	30	17	13		7	23	0.551
Left colon	25	9	16	0.99	8	17
		Median (range)	Median (range)		Median (range)	Median (range)
Age (years)	55	66.5 (51-77)	61 (35-83)	0.5562	59 (56-76)	66.5 (35-83)	0.5622

Results of Fisher's exact test.