Table 1. Patient characteristics.

	Total n = 118 (%)
Age, median (range)	55.0 (30.2–88.9)
<60 years	80 (67.8)
≥60 years	38 (32.2)
Gender
Female	9 (7.6)
Male	109 (92.4)
(Neo)Adjuvant
None	57 (48.3)
Neoadjuvant treatment only	4 (3.4)
Adjuvant treatment only	45 (38.1)
Both	12 (10.2)
T
1	48 (40.7)
2	35 (29.7)
3	7 (5.9)
4	28 (23.7)
N
0	81 (68.6)
1	14 (11.9)
2	23 (19.5)
Stage
1	41 (34.8)
2	22 (18.6)
3	12 (10.2)
4	43 (36.4)
Site
Non-oral cavity	12 (10.2)
Oral cavity	106 (89.8)

T, tumor; N, node; n, patient number.