Variables | Patients (n = 325) | Controls (n = 335)* | ||
---|---|---|---|---|
No. | % | No. | % | |
Age (years) | ||||
≤ 40 | 31 | 9.5 | 27 | 8.1 |
41 – 55 | 126 | 38.8 | 105 | 31.3 |
56 – 70 | 119 | 36.7 | 154 | 46.0 |
> 70 | 49 | 15.0 | 49 | 14.6 |
Sex | ||||
Male | 241 | 74.2 | 269 | 80.3 |
Female | 84 | 25.8 | 66 | 19.7 |
Tobacco smoking | ||||
Ever | 227 | 69.8 | 239 | 71.3 |
Never | 98 | 30.2 | 96 | 28.7 |
Alcohol drinking | ||||
Ever | 250 | 76.9 | 240 | 71.6 |
Never | 75 | 23.1 | 95 | 28.4 |
HPV16 serologya | ||||
Negative | 225 | 69.2 | 293 | 87.5 |
Positive | 100 | 30.8 | 42 | 12.5 |