Low expression of CDK5RAP3 and DDRGK1 indicates a poor prognosis in patients with gastric cancer

Table 1 Relationship between CDK5RAP3 and DDRGK1 protein expression in gastric cancer tissues and various clinicopathological variables

Variables	Total	CDK5RAP3 expression				DDRGK1 expression
		Low	High	χ2	P value	Low	High	χ2	P value
Gender				1.659	0.198			3.057	0.080
Male	107	84	23			74	33
Female	28	25	3			24	4
Age (yr)				4.441	0.035			0.719	0.397
> 60	91	78	13			64	27
≤ 60	44	31	13			34	10
Tumor size(cm)				0.125	0.723			0.043	0.835
> 5	53	42	11			39	14
≤ 5	72	67	15			59	23
Location of tumor				3.860	0.277			1.537	0.674
Lower 1/3	55	48	7			37	18
Middle 1/3	20	15	5			16	4
Upper 1/3	45	36	9			34	11
More than 1/3	15	10	5			11	4
Borrmann type				0.285	0.593			1.312	0.252
I + II Type	31	24	7			25	6
III + IV Type	104	85	19			73	31
Degree of differentiation				0.187	0.666			4.414	0.036
Well/moderate	57	47	10			36	21
Poor and not	78	62	16			62	16
Histological type				1.271	0.736			8.547	0.036
Papillary	58	48	10			39	19
Tubular	42	32	10			27	15
Mucinous	10	9	1			9	1
Signet-ring cell	25	20	5			23	2
Depth of invasion				5.674	0.017			1.428	0.232
T1 + T2	21	13	8			13	8
T3 + T4	114	96	18			85	29
Lymph node metastasis				0.008	0.927			6.023	0.014
Negative	20	16	4			10	10
Positive	115	93	22			88	27
TNM stage				1.383	0.240			2.632	0.105
I + II	44	33	11			28	16
III + IV	91	76	15			70	21
Distant metastasis				1.761	0.184			0.639	0.424
Negative	128	102	26			92	36
Positive	7	7	0			6	1