Table 4A. Treatment failure patterns of 547 N2–3 NPC patients stratified by adjuvant chemotherapy.
| N2–3 (n = 547) | |||
|---|---|---|---|
| non-AC group (%) (n = 341) |
AC group (%) (n = 206) |
P | |
| Relapses | 0.859 | ||
| Nasopharynx | 12 (3.5) | 5 (2.4) | |
| Base of skull | 6 (1.8) | 4 (2.0) | |
| Neck | 18 (5.3) | 8 (3.9) | |
| Naso+neck | 10 (2.9) | 5 (2.4) | |
| Total | 46 (13.5) | 22 (10.7) | |
| No relapse | 295 (86.5) | 184 (89.3) | |
| Metastases | 0.345 | ||
| Liver | 14 (4.1) | 3 (1.5) | |
| Bone | 29 (8.5) | 15 (7.3) | |
| Lung | 13 (3.8) | 13 (6.3) | |
| Other | 5 (1.5) | 2 (0.9) | |
| Multiple | 12 (3.5) | 6 (2.9) | |
| Total | 73 (21.4) | 39 (18.9) | |
| No metastasis | 268 (78.6) | 167 (81.1) | |