Table 1—

Description of patients' characteristics

HP %Non-HP %p-value
Patients n3191
Age yrs52.7±14.362.4±15.40.003#
Sex
 Male19±61.354±59.31.0
 Female12±38.737±40.7
Exposure to mould and actinomycetes
 Yes29±93.519±21.1<0.0001
 No2±6.571±78.9
Tobacco exposure
 Nonsmoker27±87.147±52.80.0006
 Smoker4±12.942±47.2
  Current smoker0±0.09±10.1
  Ex-smoker4±12.933±37.1
  • Data are presented as mean±sd, unless otherwise stated. HP: hypersensitivity pneumonitis. #: Unpaired t-test; : Fisher's exact test.