Table 1.
Patient, tumor and control characteristics.
| All patients (n = 86) |
Blood bank controls (n = 15) |
|||
|---|---|---|---|---|
| n | (%) | n | (%) | |
| Age (years) | ||||
| Median | 58 | 55 | ||
| Range | (34–77) | (51–63) | ||
| ⩽60 years | 51 | 59 | 13 | 87 |
| >60 years | 35 | 41 | 2 | 13 |
| Sex | ||||
| Female | 16 | 19 | 7 | 47 |
| Male | 70 | 81 | 8 | 53 |
| Smoking status | ||||
| >10 pack years | 56 | 65 | ||
| ⩽10 pack years | 30 | 35 | ||
| Tumor site | ||||
| Sinonasal carcinoma | 3 | 3 | ||
| Rhinopharynx | 5 | 6 | ||
| Oral cavity | 5 | 6 | ||
| Oropharynx | 56 | 65 | ||
| Hypopharynx | 5 | 6 | ||
| Supraglottic larynx | 8 | 9 | ||
| Glottis | 2 | 2 | ||
| Subglottis | 2 | 2 | ||
| Tumor stage | ||||
| T1-2 | 58 | 67 | ||
| T3-4 | 28 | 33 | ||
| Nodal stage | ||||
| N0 | 8 | 9 | ||
| N1-3 | 78 | 91 | ||
| Disease stage | ||||
| I-II | 4 | 5 | ||
| III-VI | 81 | 94 | ||
| Unknown | 1 | 1 | ||
| HPV/p16 status | ||||
| Positive and oropharynx | 41 | 48 | ||
| Negative or non-oropharynx | 42 | 49 | ||
| Unknown | 3 | 3 | ||
| Hypoxia by gene classifier | ||||
| More hypoxic | 25 | 29 | ||
| Less hypoxic | 57 | 66 | ||
| Unknown | 4 | 5 | ||
| Chemotherapy | ||||
| Yes | 79 | 92 | ||
| No | 7 | 8 | ||