Table 1 Clinicopathological characteristics of 217 OSCC patients
Clinicopathological variables | No. of patients (%) |
|---|---|
Total cases | 217 |
Age, years | |
Median age (range) | 61 (27–85) |
 ≤ 61 | 113 (52.1) |
 > 61 | 104 (47.9) |
Sex | |
 Male | 141 (65.0) |
 Female | 76 (35.0) |
Site | |
 Mandible | 112 (51.6) |
 Maxilla | 67 (30.9) |
 RMT | 38 (17.5) |
T stage | |
 T1 | 27 (12.4) |
 T2 | 45 (20.7) |
 T3 | 9 (4.1) |
 T4 | 136 (62.7) |
N stage | |
 Nx | 48 (22.1) |
 N0 | 95 (43.8) |
 N1 | 23 (10.6) |
 N2a | 9 (4.1) |
 N2b | 25 (11.5) |
 N2c | 1 (0.5) |
 N3b | 16 (7.4) |
Histologic grade | |
 WD | 35 (16.1) |
 MD | 149 (68.7) |
 PD | 33 (15.2) |
Perineural invasion | |
 Negative | 202 (93.1) |
 Postive | 15 (6.9) |
Vascular invasion | |
 Negative | 192 (88.5) |
 Postive | 25 (11.5) |
Bone invasion | |
 Negative | 94 (43.3) |
 Postive | 123 (56.7) |