Symptomatic patients | Asymptomatic fanciers | |
Subjects (n) | 17 | 11 |
Age (mean, y) | 43 | 33 |
Sex | 14f/3m | 11m |
Smoking history: | ||
Current smoker | 0 | 5 |
Ex-smoker | 2 | 0 |
Non-smoker | 15 | 6 |
Exposure to pigeons (mean): | ||
Pigeons kept (n) | 24 | 87 |
Contact/week (h) | 67 | 12 |
Duration pigeons kept (months) | 147 | 216 |
Serum immunoglobulins (mean): | ||
IgG (mg/dl) | 1277 | 1102 |
IgA (mg/dl) | 279 | 202 |
IgM (mg/dl) | 130 | 138 |
IgE (IU/ml) | 42 | 31 |