Table 1. The general information of the patient.

Characteristics	OSCC (n = 80)
Age, mean (y)	56.6
Gender No.
Male	72
Female	8
Tobacco smoking, No.
Yes	19
No	61
Alcohol drinking, No.
Yes	39
No	41
Tumor site, No.
Tongue	35
Buccal	29
Others (gingiva/lips/palates)	16
T stage, No.
I+II	35
III+IV	45
Pathological grade, No.
Well differentiated	48
Moderately/Poorly differentiated	32
Lymph node metastasis
No	58
Yes	22