Table 1 The correlation of DDX17 expression and clinicopathological characteristics of CRC patients.

Parameters	Cases (n = 133)	DDX17 expression		χ²	P values
Parameters	Cases (n = 133)	Low (n = 66)	High (n = 67)	χ²	P values
Age (years)				0.366	0.545
<65	68	32	36
≥65	65	34	31
Gender				0.361	0.584
Female	55	29	26
Male	78	37	41
Tumor location				4.032	0.133
Right colon	32	11	21
Left colon	28	16	12
Rectum	73	39	34
Tumor size				3.980	0.046
<5 cm	67	39	28
≥5 cm	66	27	39
Histological grade				3.668	0.160
Well	39	24	15
Moderate	79	34	45
Poor	15	8	7
Tumor invasion				4.268	0.118
T1 + T2	10	7	3
T3	117	58	59
T4	6	1	5
Lymph node invasion				55.172	<0.001
Absent	74	58	16
Present	59	8	51
Distant metastasis				5.185	0.023
Absent	123	65	58
Present	10	1	9
AJCC stage				56.454	<0.001
Stage I	6	6	0
Stage II	68	52	16
Stage III	49	7	42
Stage IV	10	1	9

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