Table 2 History of atopy, specific IgE level and total IgE amount among dairy-farmers and non-dairy-farmers
From: Is atopy a risk indicator of chronic obstructive pulmonary disease in dairy farmers?
DF-COPD | DF-Control | p-value | NF- COPD | NF-Control | p-value | |
|---|---|---|---|---|---|---|
n = 101 | n = 98 | n = 85 | n = 89 | |||
Personal history of hay fever, % | 8.9 | 10.2 | NS | 14.1 | 12.8 | NS |
Personal history of atopic dermatitis, % | 5.0 | 5.1 | NS | 9.6 | 4.6 | NS |
Personal history of allergy, % | 60.0 | 44.3 | 0.0277 | 70.2 | 52.8 | 0.0187 |
Family history of allergy, % | 46.4 | 32.9 | NS | 42.6 | 41.1 | NS |
Wheezing, % | 31.7 | 6.3 | < 0.0001 | 29.4 | 11.2 | 0.0028 |
Total IgE amount | ||||||
median (Q1-Q3) | 40 (17–125) | 37 (18–81) | NS | 42 (13–114) | 28 (15–75) | NS |
> 100 IU/mL, % | 30.3 | 24.7 | NS | 31.7 | 17.1 | 0.0256 |
Positive specific IgE (> 0.35 kUA/L) | ||||||
At least one, % | 21.8 | 14.4 | NS | 28.2 | 23.9 | NS |
Food allergens, % | 16.8* | 4.1 | 0.0037 | 7.1 | 5.6 | NS |
Perennial inhalant allergens, % | 10.9 | 9.3 | NS | 10.6 | 12.4 | NS |
Seasonal inhalant allergens, % | 11.9 | 3.1 | 0.0195 | 21.2 | 11.4 | NS |
Polysensitized (at least 3 IgE) | 13.8 | 1.0 | 0.0006 | 8.2 | 6.7 | NS |