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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 (%).