Table 1 Characteristics of the 170 oral cavity squamous cell carcinoma patients
Characteristic | [No. of patients (%)] |
|---|---|
Age (yrs) | |
 Mean | 49.55 |
 Range | 29.0–78.0 |
Site of primary tumor [No. of patients (%)] | |
 Tongue | 58 (34.1) |
 Mouth floor | 8 (4.7) |
 Lip | 6 (3.5) |
 Buccal mucosa | 67 (39.4) |
 Alveolar ridge | 19 (11.2) |
 Hard palate | 4 (2.4) |
 Retromolar trigone | 8 (4.7) |
Pathologic tumor status | |
 T1 | 30 (17.6) |
 T2 | 58 (34.1) |
 T3 | 20 (11.8) |
 T4 | 62 (36.5) |
Pathologic N stage | |
 N0 | 101 (59.4) |
 N1 | 19 (11.2) |
 N2b | 45 (26.5) |
 N2c | 5 (2.9) |
Pathologic stage | |
 Stage I | 22 (12.9) |
 Stage II | 32 (18.8) |
 Stage III | 24 (14.1) |
 Stage IV | 92 (54.1) |