Variable | Number (%) |
---|---|
Age range (y) | 16–81 |
Median age (y) | 48 |
Male | 395 (78.1) |
Female | 111 (21.9) |
N-classification | |
 N0 | 55 (10.9) |
 N1 | 194 (38.3) |
 N2 | 198 (39.1) |
 N3 | 59 (11.7) |
AJCC 2010 stage | |
 IVA | 447 (88.3) |
 IVB | 59 (11.7) |
Chemotherapy | |
 Induction | 467 (92.4) |
 Concurrent | 292 (57.7) |
 Adjuvant | 128 (25.3) |
Concurrent cetuximab or nimotuzumab | 36 (7.1) |
Nasopharynx boost (by external IMRT) | 23 (4.6) |
Overall treatment time OTT) | |
 ≤ 45 | 193 (38.1) |
 > 45 | 313 (61.9) |