Table 1 Characteristics of ACOS patients included in the study
Characteristic | Study area (n = 425) | Control area (n = 341) |
|---|---|---|
Demographics | ||
Female gender (%) | 52.2 | 59.5 |
Mean age (SD) | 66.4 (11.4) | 67.1 (12.4) |
Exposure | ||
Distance to the nearest farm (%) | ||
< 250 m | 15.1 | |
250 – 500 m | 32.5 | |
Presence of farm animals within 500 m (%) | ||
Mink | 1.9 | |
Poultry | 9.7 | |
Pigs | 19.1 | |
Goatsc | 0.2 | |
Cattle | 31.1 | |
Presence of farm animals within 1000 m (%) | ||
Mink | 10.8 | |
Poultry | 46.6 | |
Pigs | 79.1 | |
Goats | 5.7 | |
Cattle | 87.8 | |
Comorbidity | ||
Total prevalence (%)a | 67.3 | 67.7 |
Mean number (SD)b | 1.14 (1.03) | 1.35 (1.26) |
Coexisting symptoms/infections | ||
Total prevalence (%)a | 54.1 | 52.8 |
Mean number (SD)b | 0.79 (0.88) | 0.81 (0.95) |