Skip to main content

Table 6 Baseline characteristics of patients according to their FEV1 loss between T0 and T1

From: Diisocyanate-induced asthma in Switzerland: long-term course and patients’ self-assessment after a 12-year follow-up

  FEV1 loss < 15% (n = 28) FEV1 loss ≥15% (n = 7) p-value
Age 37 ± 13 45 ± 10 0.11
FEV1% pred.at T0 90 ± 17 98 ± 13 0.25
FEV1/FVC at T0 77 ± 9 72 ± 7 0.25
Current smoking 8 (29%) 2 (29%) 1.0
Pack years* 11 (17) 11 (17) 0.42
Total exposure time (months) 46 (91) 62 (169) 0.32
Symptomatic exposure time (months) 11 (19) 19 (49) 0.40
  1. Legend: FVC = forced expiratory vital capacity. FEV1 = forced expiratory volume in 1 second. *Pack-years for smokers and ex-smokers added.
  2. Data is presented as mean ± SD, median and interquartile range (IQR) or number (%).