Table 4.
Recurrence.
| CHARACTERISTICS | TYPE OF RECURRENCE | ||||
|---|---|---|---|---|---|
| No | Local | Regional | Distant | p | |
| No. of patients (%) | No. of patients (%) | No. of patients (%) | No. of patients (%) | ||
| T-classification | |||||
| T1 | 75 (92.6) | 4 (4.9) | 2 (2.5) | 0 (0.0) | |
| T2 | 44 (83.0) | 3 (5.7) | 2 (3.8) | 4 (7.5) | |
| T3 | 109 (84.5) | 5 (3.9) | 8 (6.2) | 7 (5.4) | |
| T4a | 59 (66.3) | 9 (10.1) | 14 (15.7) | 7 (7.9) | 0.002 |
| N-classification | |||||
| N0 | 240 (85.4) | 18 (6.4) | 15 (5.3) | 8 (2.8) | |
| N1 | 20 (71.4) | 1 (3.6) | 7 (25.0) | 0 (0.0) | |
| N2 | 25 (62.5) | 2 (5.0) | 4 (10.0) | 9 (22.5) | |
| N3 | 2 (66.7) | 0 (0.0) | 0 (0.0) | 1 (33.3) | <0.001 |
| Tumor Stage | |||||
| Stage I | 75 (92.6) | 4 (4.9) | 2 (2.5) | 0 (0.0) | |
| Stage II | 41 (87.2) | 3 (6.4) | 1 (2.1) | 2 (4.3) | |
| Stage III | 95 (87.2) | 4 (3.7) | 7 (6.4) | 3 (2.8) | |
| Stage IVa | 76 (66.1) | 10 (8.7) | 16 (13.9) | 13 (11.3) | <0.001 |
| Grading | |||||
| Gx | 18 (94.7) | 1 (5.3) | 0 (0.0) | 0 (0.0) | |
| G1 | 68 (87.2) | 6 (7.7) | 4 (5.1) | 0 (0.0) | |
| G2 | 159 (77.9) | 11 (5.4) | 18 (8.8) | 16 (7.8 | |
| G3 | 42 (82.4) | 3 (5.9) | 4 (7.8) | 2 (3.9) | 0.205 |
| Type of Surgery | |||||
| Partial laryngectomy | 97 (95.1) | 3 (2.9) | 2 (2.0) | 0 (0.0) | |
| Total laryngectomy | 152 (79.6) | 12 (6.3) | 16 (8.4) | 11 (5.8) | |
| Partial laryngopharyngectomy | 30 (61.2) | 5 (10.2) | 7 (14.3) | 7 (14.3) | |
| Total laryngopharyngectomy | 8 (80.0) | 1 (10.0) | 1 (10.0) | 0 (0.0) | <0.001 |
| Salvage Surgery | |||||
| No | 261 (84.7) | 11 (3.6) | 21 (6.8) | 15 (4.9) | |
| Yes | 26 (59.1) | 10 (22.7) | 5 (11.4) | 3 (6.8) | <0.001 |
| PORT | |||||
| No | 144 (83.7) | 14 (8.1) | 9 (5.2) | 5 (2.9) | |
| Yes | 143 (79.4) | 7 (3.9) | 17 (9.4) | 13 (7.2) | 0.043 |
Abbreviations: PORT, postoperative radiotherapy.