Table 1.
Baseline characteristics
| > / = 5 Cycles | < 5 Cycles | P | |||
|---|---|---|---|---|---|
| N | % | N | % | ||
| Gender | 1.00 | ||||
| Male | 58 | 85.3 | 43 | 84.3 | |
| Female | 10 | 14.7 | 8 | 15.7 | |
| Smoker | 0.15 | ||||
| Never | 21 | 30.9 | 9 | 17.6 | |
| Former | 36 | 52.9 | 28 | 54.9 | |
| Current | 11 | 16.2 | 14 | 27.5 | |
| Age | 0.85 | ||||
| < 65 | 38 | 55.9 | 27 | 52.9 | |
| 65 or older | 30 | 44.1 | 24 | 47.1 | |
| KPS | 0.003 | ||||
| 90–100 | 54 | 79.4 | 27 | 52.9 | |
| < 90 | 14 | 20.6 | 24 | 47.1 | |
| Race | 0.02 | ||||
| White | 63 | 92.6 | 39 | 76.5 | |
| Other | 5 | 7.4 | 12 | 23.5 | |
| BMI | 0.68 | ||||
| Normal | 18 | 26.5 | 14 | 27.5 | |
| Underweight | 1 | 1.5 | 3 | 5.9 | |
| Overweight | 27 | 39.7 | 21 | 41.2 | |
| Obese | 21 | 30.9 | 13 | 25.5 | |
| Not available | 1 | 1.5 | 0 | 0.0 | |
| Site | 0.17 | ||||
| Oropharynx | 41 | 60.3 | 25 | 49.0 | |
| Larynx | 12 | 17.6 | 16 | 31.4 | |
| Oral cavity | 0 | 0.0 | 1 | 2.0 | |
| Other | 15 | 22.1 | 9 | 17.6 | |
| T staging | 0.27 | ||||
| 1–2 | 37 | 54.4 | 22 | 43.1 | |
| 3–4 | 31 | 45.6 | 29 | 56.9 | |
| N staging | 0.30 | ||||
| 0–1 | 16 | 23.5 | 17 | 33.3 | |
| 2–3 | 52 | 76.5 | 34 | 66.7 | |
| HPV | 0.46 | ||||
| Negative | 11 | 16.2 | 12 | 23.5 | |
| Positive | 36 | 52.9 | 22 | 43.1 | |
| Not available | 21 | 30.9 | 17 | 33.3 | |
N Number of patients, BMI Body mass index, KPS Karnofsky performance status, HPV Human papillomavirus