| Variable | HPV positive (Arm A) | HPV negative (Arm B) |
| Mean age (yrs) | 51.18 +/− 9.1 | 59.73 +/− 7.0 |
| Median age (yrs) | 48 | 59 |
| Sex |
|
|
| Male | 58.8% | 68.7% |
| Female | 41.2% | 31.3% |
| Tobacco use present | 58.8% | 72.9% |
| Alcohol use present | 58.8% | 68.8% |
| Diabetes Mellitus | 29% | 25% |
| Hypertension | 41% | 42% |
| Both | 12% | 12% |
| ECOG PS |
|
|
| 0 | 47% | 50% |
| 1 | 35% | 33% |
| 2 | 18% | 17% |
| Socio Economic status |
|
|
| Below poverty line | 88% | 83% |
| Above poverty line | 12% | 17% |