Table 3.

Clinical information of patients from TCGA dataset

Variable	Number
Age (years)	116
≥60	65
<60	51
Gender	116
Male	75
Female	41
Clinical stage	116
Stage I	10
Stage II	32
Stage III	29
Stage IVA	40
Stage IVB	1
#N/A	4
Alcohol history	116
Yes	72
No	41
#N/A	3
History of neoadjuvant treatment	116
Yes	2
No	114
Lymphnode neck dissection	116
Yes	107
No	9
Neoplasm histologic grade	116
G1	16
G2	78
G3	22
Pathologic stage	116
Stage I	15
Stage II	20
Stage III	31
Stage IVA	49
Stage IVB	1