Main characteristics of the study population
| . | Oral/pharyngeal cancer patients (n = 121) . | Laryngeal cancer patients (n = 129) . | Control individuals (n = 172) . |
|---|---|---|---|
| Male (%) | 113 (93%) | 127 (98%) | 163 (95%) |
| Age, years | |||
| Mean (SD) | 54.4 (10.2) | 55.0 (9.4) | 54.9 (11.1) |
| Range | 25–89 | 22–85 | 25–88 |
| Mean daily alcohol consumption, g/day (SD) | 111.8 (71.5)a | 98.1 (69.9)b | 77.1 (64.0) |
| Mean duration of alcohol drinking, years (SD) | 30.3 (12.6) | 30.1 (14.1) | 29.0 (16.5) |
| Mean daily tobacco consumption, g/day (SD) | 28.2 (13.6)c | 30.4 (15.8)b | 25.1 (12.5) |
| Mean duration of smoking, years (SD) | 33.9 (10.2) | 34.6 (8.8)c | 32.2 (11.6) |
| . | Oral/pharyngeal cancer patients (n = 121) . | Laryngeal cancer patients (n = 129) . | Control individuals (n = 172) . |
|---|---|---|---|
| Male (%) | 113 (93%) | 127 (98%) | 163 (95%) |
| Age, years | |||
| Mean (SD) | 54.4 (10.2) | 55.0 (9.4) | 54.9 (11.1) |
| Range | 25–89 | 22–85 | 25–88 |
| Mean daily alcohol consumption, g/day (SD) | 111.8 (71.5)a | 98.1 (69.9)b | 77.1 (64.0) |
| Mean duration of alcohol drinking, years (SD) | 30.3 (12.6) | 30.1 (14.1) | 29.0 (16.5) |
| Mean daily tobacco consumption, g/day (SD) | 28.2 (13.6)c | 30.4 (15.8)b | 25.1 (12.5) |
| Mean duration of smoking, years (SD) | 33.9 (10.2) | 34.6 (8.8)c | 32.2 (11.6) |