TABLE 2.

Correlation among risk groups with clinical features in training set.

Clinical features		Risk group			p value
		Low	Mid	High
Age	<50	23	12	10	0.0339
	≥50	112	66	17
Gender	Female	42	29	9	0.6639
	Male	93	49	18
T	Early (T1+T2)	113	52	11	<0.001
	Late (T3+T4)	21	26	16
N	N0	90	59	23	1
	N1+N2	1	1	0
M	M0	90	58	23	1
	M1	1	0	0
Stage	Stage I/II	106	49	11	<0.001
	Stage III/IV	21	24	15
Grade	G1+G2	98	45	9	0.0002
	G3+G4	36	31	18
Recurrence	Yes	72	23	11	0.0031
	No	63	55	16
Status	Alive	96	42	10	0.0009
	Dead	39	36	17