Table 3.
Patient characteristics and treatment information
| Characteristic | N = 118 |
|---|---|
| Age in years at RT start median (range) | 62 (41–88) |
| BMI at RT start mean (SD) | 26.1 (4.4) |
| n (%) | |
| Gender | |
| Male | 80 (68) |
| Female | 38 (32) |
| Smoking | |
| Never smoked | 32 (27) |
| Current smoker | 35 (30) |
| Former smoker, stopped >12 months before RT | 51 (43) |
| Missing data | 0 |
| Comorbidity according to ACE-27 at RT start | |
| None (grade 0) | 51 (43) |
| Mild (grade 1) | 38 (32) |
| Moderate (grade 2) | 20 (17) |
| Severe (grade 3) | 10 (8) |
| Missing data | 0 |
| Tumor location (tumor code) | |
| Tonsil (C09) | 63 (53) |
| Base of tongue (C01.9) | 23 (20) |
| Larynx (C32.0, C32.1) | 24 (20) |
| Hypopharynx (C12, C13) | 8 (7) |
| Overall tumor stage | |
| 1 | 16 (14) |
| 2 | 12 (10) |
| 3 | 19 (16) |
| 4 | 71 (60) |
| TNM-T-stage | |
| I | 29 (25) |
| II | 46 (39) |
| III | 26 (22) |
| IV | 16 (14) |
| Nodular engagement | |
| Yes | 83 (70) |
| No | 35 (30) |
| Oncological treatment | |
| RT | 31 (26) |
| RT+ chemotherapy | 87 (74) |
ACE-27 adult comorbidity evaluation-27, BMI body mass index, RT radiotherapy, TNM tumor location, nodular engagement, metastasis