Table 1.
Summary of patient characteristics.
| Criterion | Value |
|---|---|
| Number of patients | 503 |
| Sex | |
| Male | 378 (75.1%) |
| Female | 125 (24.9%) |
| Age; median (mean ± SD) | 58.00 (59.2 ± 10.7) |
| BMI; median (mean ± SD) | 24.03 (24.52 ± 4.39) |
| Smoking status | |
| Former * or never | 183 (36.4%) |
| Current | 313 (62.2%) |
| Alcohol abuse | |
| Former * or never | 292 (58.1%) |
| Current | 197 (39.2%) |
| Tumor site | |
| Oral cavity | 195 (38.8%) |
| Oropharynx | 308(61.2%) |
| Tumor grade | |
| G 1/2 | 249 (49.5%) |
| G 3/4 | 249 (49.5%) |
| Tumor stage | |
| T 1/2 | 201 (40.0%) |
| T 3/4 | 292 (58.1%) |
| Nodal involvement | |
| Yes | 401 (79.7%) |
| No | 96 (19.1%) |
| Surgery | |
| Yes | 261 (51.9%) |
| No | 242 (48.1%) |
| Induction chemotherapy | |
| Yes | 77 (15.3%) |
| No | 426 (84.7%) |
| Concomitant chemotherapy | |
| Yes | 303 (60.2%) |
| No | 199 (39.6%) |
| NLR, median (mean ± SD) | 3.15 (3.79 ± 2.66) |
| PLR, median (mean ± SD) | 155.8 (178.1 ± 99.42) |
| CRP, median (mean ± SD) | 5.0 (15.08 ± 31.84) |
* Former smoking or alcohol abuse was defined as tobacco or alcohol abuse before or until the start of treatment. Abbreviations: BMI, body mass index; NLR, neutrophil/lymphocyte ratio; PLR, platelet/lymphocyte ratio; CRP, C-reactive protein; SD, standard deviation.