Dopamine and cyclic adenosine monophosphate-regulated phosphoprotein with an apparent Mr of 32000 promotes colorectal cancer growth

Table 1 Relationship between dopamine and cyclic adenosine monophosphate regulated phosphoprotein with an apparent Mr of 32000 expression level and clinical pathological parameters of colorectal cancer

Characteristics	No. of patients	DARPP-32		P value
		High	Low
All cases	70	54	16
Sex				0.511
Male	40	32	8
Female	30	22	8
Age				0.446
≥ 60	47	35	12
< 60	23	19	4
Tumor size in cm				0.433
≤ 5	54	40	14
> 5	16	14	2
Tumor location				0.454
Right colon	21	17	4
Left colon	19	16	3
Rectum	30	21	9
Lymph node status				0.03a
Positive	34	30	4
Negative	36	24	12
T stage				0.689
T1-2	13	11	2
T3	15	12	3
T4	42	31	11
TNM stage				0.123
I-II	32	22	10
III-IV	38	32	6
Carcinoembryonic antigen				1.00
Positive	12	9	3
Negative	58	45	13
Carbohydrate antigen 199				0.689
Positive	18	15	3
Negative	52	39	13

^aP < 0.05 vs DARPP-32 low-expression group. DARPP-32: Dopamine and cyclic adenosine monophosphate regulated phosphoprotein with an apparent Mr of 32000; TNM: Tumor-node-metastasis.