Table I.

Association between Rab1A expression and clinicopathological factors in 142 patients with CRC.

	Rab1A
Factors	Negative	Positive	P-value
Sex
Male	31	58	0.727
Female	20	33
Age (years)
≤60	14	28	0.678
>60	37	63
Size (cm)
≤5	33	46	0.103
>5	18	45
Depth of invasion
T1-2	13	17	0.340
T3-4	38	74
Lymph node invasion
Negative	42	42	<0.001b
Positive	9	49
Degree of differentiation
Well	47	72	0.043a
Poor	4	19
Venous invasion
Negative	34	41	0.013a
Positive	17	50
Neural invasion
Negative	38	57	0.149
Positive	13	34
TNM staging
I–II	41	42	<0.001b
III–IV	10	49
Tumor location
Right	19	29	0.777
Left	15	31
Rectum	17	31

^aP<0.05

^bP<0.001. CRC, colorectal cancer; TNM, tumor-node-metastasis.