Table 1 Patients’ demographics
|  | All patients (n = 186) | Early OSCC (n = 92) | Progressive OSCC (n = 94) | ||||
|---|---|---|---|---|---|---|---|
Characteristics | No. of patients | % | No. of patients | % | No. of patients | % | |
Sex | Female | 71 | (38.1) | 36 | (39.1) | 35 | (37.2) |
Male | 115 | (61.8) | 56 | (60.9) | 59 | (62.8) | |
Age, years | Mean age | 68.9 (range, 31 − 91) | 69 (range, 31 − 91) | 68.6 (range, 38 − 87) | |||
 ≥ 64 | 57 | (30.6) | 27 | (29.3) | 30 | (31.9) | |
 < 64 | 129 | (69.4) | 65 | (70.7) | 64 | (68.1) | |
High-risk HPV exposure | No | 186 | (100) | 92 | (100) | 94 | (100) |
Anatomical site | Palate | 4 | (2.1) | 4 | (4.3) | 0 | (0) |
Oral floor | 3 | (1.6) | 2 | (2.2) | 1 | (1.1) | |
Gingiva | 29 | (15.6) | 4 | (4.3) | 25 | (26.6) | |
Tongue | 129 | (69.3) | 67 | (72.8) | 62 | (66.0) | |
Buccal mucosa | 21 | (11.3) | 15 | (16.3) | 6 | (0) | |
DOI |  ≤ 5 mm | 63 | (33.9) | 58 | (63.0) | 5 | (5.3) |
 > 5 mm | 123 | (66.1) | 34 | (40.0) | 89 | (94.7) | |
DOI |  ≤ 10 mm | 102 | (54.9) | 92 | (100) | 10 | (10.6) |
 > 10 mm | 84 | (45.2) | 0 | (0) | 84 | (9.4) | |
LyV | Negative | 73 | (39.2) | 54 | (58.7) | 19 | (20.2) |
Positive | 113 | (60.8) | 38 | (41.3) | 75 | (79.8) | |
ENE | Negative | 159 | (85.5) | 90 | (97.8) | 69 | (73.4) |
Positive | 27 | (14.5) | 2 | (2.2) | 25 | (26.6) | |
pT | 1, 2 | 92 | (49.5) | 92 | (100) | 0 | (0) |
3, 4 | 94 | (50.5) | 0 | (0) | 94 | (100) | |
pN | 0 | 128 | (68.8) | 83 | (90.2) | 45 | (47.9) |
1 | 16 | (8.6) | 4 | (4.3) | 12 | (64.5) | |
2, 3 | 42 | (22.6) | 5 | (5.4) | 37 | (19.9) | |