Table 1.

Associations with risk group and clinical characteristics in the training and validation sets

	TCGA-COAD training set			TCGA-COAD validation set			GSE39582
	High risk	Low risk	P	High risk	Low risk	P	High risk	Low risk	P
Gender			0.929			0.265			0.957
Female	48	88		24	33		142	105
Male	58	101		21	47		176	127
Age	0.979					0.744			0.988
<65	40	73		17	34		122	88
≥65	66	116		28	46		196	144
T stage			0.000			0.805			0.000
T1	3	3		2	3		1	14
T2	7	46		7	13		23	20
T3	76	121		31	59		207	148
T4	20	19		5	5		75	42
N stage			0.001			0.179			0.016
N0	46	124		25	49		153	139
N1	32	41		8	20		83	51
N2	28	24		12	11		70	34
M stage	0.070					0.173			0.368
M0	69	150		30	61		266	203
M1	20	22		10	8		38	21
Mx	13	16		5	11		2	0
Stage			0.001			0.321			0.003
I	7	42		7	14		12	24
II	37	74		15	32		140	116
III	38	47		12	24		129	71
IV	20	22		10	8		37	21