TABLE 1.
Demographics stratified by control and treatment group
| Group, n (%) | |||
|---|---|---|---|
| Variable | Control (n = 35) | Treatment (n = 45) | P |
| Categorical | |||
| Male | 30 (85.1) | 39 (87.1) | .48 |
| White | 31 (88.6) | 40 (87.9) | .20 |
| Urban setting | 27 (76.5) | 36 (79.1) | .10 |
| Tumor stage | .33 | ||
| I | 5 (14.2) | 7 (16.3) | |
| II | 12 (34.2) | 15 (33.8) | |
| III | 9 (26.9) | 13 (29.0) | |
| IV | 3 (9.5) | 4 (9.6) | |
| In situ | 1 (2.1) | 1 (1.2) | |
| Unknown | 5 (14.2) | 5 (10.1) | |
| Radiation | 31 (85.7) | 41 (91.1) | .79 |
| Chemotherapy | 20 (57) | 33 (73.3) | .13 |
| Surgery | 4 (11.4) | 4 (8.9) | .69 |
| Site | .15 | ||
| Oral cavity | 6 (17.1) | 8 (16,7) | |
| Pharynx | 10 (29.5) | 14 (31.1) | |
| Larynx | 11 (30.1) | 13 (29.0) | |
| Salivary glands | 3 (9.5) | 4 (9.6) | |
| Paranasal sinuses | 1 (2.1) | 1 (1.2) | |
| Angiosarcoma | 1 (2.1) | 1 (1.2) | |
| Unknown | 1 (2.1) | 5 (10.1) | |
| Continuous | |||
| Mean age, y (SD) | 59.67 (11.8) | 60.73 (10.2) | .20 |
| Mean BMI, kg/m2 (SD) | 28.1 (8.4) | 26.9 (7.6) | .82 |