Table 1.
The clinicopathologic characteristics of patients with OTSCC (n = 93).
| Characteristics | Mean ± SD or n (%) |
|---|---|
| Age, years | 54.6 ± 13.8 (26-84) |
| Gender, male | 66 (71.0) |
| TNM stage | |
| T stage | |
| 1 | 11 (11.8) |
| 2 | 41 (44.1) |
| 3 | 26 (28.0) |
| 4 | 15 (16.1) |
| N stage | |
| 0 | 48 (51.6) |
| 1 | 17 (18.3) |
| 2 | 23 (24.7) |
| 3 | 5 (5.4) |
| M stage | |
| 0 | 93 (100.0) |
| 1 | 0 (0.0) |
| Overall pathologic stage | |
| Stage I | 11 (11.8) |
| Stage II | 30 (32.3) |
| Stage III | 20 (21.5) |
| Stage IV | 32 (34.4) |
| Histologic differentiation | |
| Poorly differentiated | 29 (31.2) |
| Moderately differentiated | 42 (45.1) |
| Highly differentiated | 22 (23.7) |
| Lymph node metastasis | |
| Absent | 48 (51.6) |
| Present | 45 (48.4) |
| Perineural invasion | |
| Absent | 65 (69.9) |
| Present | 28 (30.1) |
OTSCC, Oral tongue squamous cell carcinoma.