Table 1. The baseline characteristics of OSCC patients include in the study.

Characteristics	Patients
	NO.	%
Age, years
≤60	53	62.3
>60	32	37.7
Sex
Male	45	52.9
Female	40	47.1
T-primary tumor size
T1	24	28.2
T2	35	41.2
T3	14	16.5
T4	12	14.1
N-regional lymph node
Negative	5	64.7
Positive	30	35.3
TNM stage
I	25	29.4
III	23	27.1
III	20	23.5
IIV	17	20.0
Histopathological type
Grade 1	36	42.3
Grade 2	40	47.1
Grade 3	9	10.6
Smoking history
Yes	29	34.1
No	56	65.9
Alcohol history
Yes	22	25.9
No	63	74.1
Total	85	100