Description of the study population, men only
| Cases | Controls | |||
|---|---|---|---|---|
| n = 2205 | % | n = 2305 | % | |
| Country | ||||
| Czech Republic | 235 | 10.7 | 323 | 14.0 |
| Hungary | 315 | 14.3 | 266 | 11.5 |
| Poland | 557 | 25.3 | 581 | 25.2 |
| Romania | 141 | 6.4 | 169 | 7.3 |
| Russia | 521 | 23.6 | 521 | 22.6 |
| Slovakia | 288 | 13.1 | 294 | 12.8 |
| UK | 148 | 6.7 | 151 | 6.6 |
| Age (years) | ||||
| <45 | 94 | 4.3 | 119 | 5.2 |
| 45–54 | 455 | 20.6 | 510 | 22.1 |
| 55–64 | 829 | 37.6 | 777 | 33.7 |
| 65–74 | 762 | 34.6 | 799 | 34.7 |
| >75 | 65 | 3.0 | 100 | 4.3 |
| Tobacco consumption | ||||
| Never smoker | 48 | 2.2 | 534 | 23.2 |
| Ex-smoker | 494 | 22.4 | 842 | 36.5 |
| Current smoker <20 pack-years | 132 | 5.6 | 196 | 8.5 |
| Current smoker 20–39 pack-years | 758 | 34.4 | 450 | 19.3 |
| Current smoker >40 pack-years | 773 | 35.4 | 283 | 12.5 |