From: Factors influencing the clinical presentation of hypersensitivity pneumonitis in pigeon breeders in Minia governorate: an Egyptian experience
FVC
FEV1
Exposure to smoking
No
48.7 ± 17.8
54.8 ± 18.5
Yes
61.6 ± 16.9
63.7 ± 15.9
p value
0.02
0.1
Biomass exposure
56.8 ± 16.3
60.0 ± 18.2
51.87 ± 19.6
56.86 ± 17.4
0.3
0.6