Table 1.
Patient characteristics
| Characteristic | IMRT (n = 111) | 3D-CRT (n = 96) | P value |
|---|---|---|---|
| Sex | |||
| Female | 26 (23.4%) | 27 (28.1%) | |
| Male | 85 (76.6%) | 69 (71.9%) | .5392 |
| Age (mean years) | 60.7 (40.0-82.0) | 59.2 (31.0-81.0) | .2591 |
| Tumor site | |||
| Pharynxa | 85 (76.6%) | 64 (66.7%) | |
| Oral | 16 (14.4%) | 23 (24.0%) | |
| Unknown primary | 10 (9.0%) | 9 (9.4%) | .2199 |
| T-stage | |||
| T 0-2 | 69 (62.2%) | 54 (56.3%) | |
| T 3-4 | 42 (37.8%) | 42 (43.8%) | .4703 |
| Stage | |||
| I-II | 16 (14.4%) | 14 (14.6%) | |
| III-IV | 95 (85.6%) | 82 (85.4%) | 1.00 |
| Additional treatment | |||
| CT | 71 (78.9%) | 58 (66.7%) | |
| Surgery | 13 (14.4%) | 21 (24.1%) | |
| Surgery + CT | 6 (6.7%) | 8 (9.2%) | .1785 |
| 1-year survival | |||
| Dead | 7 (6.3%) | 7 (7.3%) | |
| Alive | 104 (93.7%) | 89 (92.7%) | .9920 |
CT, chemotherapy; 3D-CRT, 3-dimensional conformal radiation therapy; IMRT, intensity modulated radiation therapy.
Hypopharynx: 7/85 (8.2%); 4/64 (6.2%).
a
Oropharynx: 78/85 (9.8%); 60/64 (93.8%).