Table 1.

Clinical characteristics of CRC patients between low ratio and high ratio subgroups in the training and validation cohorts.

Variable	Training Cohort			Validation Cohort
	low ratio	high ratio	p-value	low ratio	high ratio	p-value
Age
<66 y	109	73	0.75	33	23	0.58
≥66 y	79	49		45	38
Gender
Male	121	71	0.27	38	32	0.66
Female	67	51		40	29
Histological Type
Non-mucinous cancer	169	112	0.57	66	55	0.33
Mucinous cancer	19	10		12	6
Primary Site
Colon	64	39	0.70	60	41	0.14
Rectum	124	83		18	20
Tumor Stage
II	70	69	<0.01	35	32	0.23
III	118	53		43	29
Adjutant Chemotherapy
Yes	132	77	0.19	48	37	0.92
No	56	45		30	24