Table 2.

Comparison of clinical characteristics between the training cohort and the test cohort.

		Training cohort	Text cohort
Cases		248	244
Age	≤65	168	155
	>65	80	90
Gender	Female	63	67
	Male	185	177
Grade	G1	32	28
	G2	141	153
	G3	62	55
	G4	2	0
Stage	Stage I	15	10
	Stage II	33	36
	Stage III	42	36
	Stage IV	124	128
T (tumor)	T1	25	19
	T2	61	69
	T3	49	47
	T4	86	80
N (lymph node)	N0	79	88
	N1	38	27
	N2	78	82
	N3	5	2
HPV status by p16 testing	Negative	42	30
	Positive	12	18