Table 1.
Patient demographics
| Clinical variables | Marginal mandibulectomy n=43 % (n) | Marginal mandibulectomy with fasciocutaneous free flap n=9 % (n) | Segmental mandibulectomy with osseocutaneous free flap n=59 % (n) |
|---|---|---|---|
| Clinical T stage | |||
| T1 | 54 (23) | 11 (1) | 11 (6) |
| T2 | 37 (16) | 55 (5) | 20 (12) |
| T3 | 0 (0) | 11 (1) | 5(3) |
| T4 | 7 (3) | 23 (2) | 38 (22) |
| NA | 2 (1) | 0 (0) | 26 (16) |
| Clinical N stage | |||
| N0 | 82 (35) | 66 (6) | 54 (31) |
| N1 | 7 (3) | 23 (2) | 3 (2) |
| N2 | 9 (4) | 11 (1) | 17 (10) |
| NA | 2 (1) | 0(0) | 26 (16) |
| Site | |||
| Mandibular gingiva | 54 (23) | 23 (2) | 24 (15) |
| Floor of mouth | 24 (11) | 55 (5) | 15 (9) |
| Tongue | 9 (3) | 11 (1) | 5 (3) |
| Retromolar trigone | 7 (3) | 0 (0) | 11 (6) |
| Buccal mucosa | 4 (2) | 0 (0) | 1 (1) |
| Mandible | 2 (1) | 0(0) | 44 (25) |
| Tonsil | 0 (0) | 11 (1) | 0 (0) |
| Pathology | |||
| Squamous cell carcinoma | 96 (41) | 100 (9) | 74 (42) |
| Dysplasia | 2 (1) | 0 (0) | 0 (0) |
| Sarcoma | 0 (0) | 0 (0) | 14 (10) |
| Mucoepidermoid carcinoma | 0(0) | 0 (0) | 1 (1) |
| Benign lesions | 2 (1) | 0 (0) | 11 (6) |
| Postoperative radiotherapy | |||
| Yes | 23 (10) | 55 (5) | 63 (37) |
| No | 77 (33) | 45 (4) | 37 (22) |
| Postoperative chemotherapy | |||
| Yes | 9 (4) | 23 (2) | 20 (12) |
| No | 81 (39) | 77 (7) | 79 (47) |