Control (n = 31) | Work-related asthma before BD (n = 31) | Work-related asthma post BD (n = 31) | |
---|---|---|---|
Spirometry | |||
FEV1 (L) | 2.8 ± 0.7 | 2.3 ± 0.6** | 2.5 ± 0.7‡‡ |
FEV1 (%) | 93.1 ± 15.0 | 75.6 ± 19.2*** | 81.3 ± 17.4‡‡‡‡ |
FVC (L) | 3.5 ± 0.8 | 3.1 ± 0.7 | 3.3 ± 0.8 |
FVC (%) | 95.3 ± 15.1 | 84.1 ± 15.0** | 86.6 ± 14.0‡‡ |
FEV1/FVC | 79.9 ± 6.7 | 72.6 ± 11.7* | 76.4 ± 10.2‡ |
FEF 25–75% | 2.9 ± 1.1 | 2.0 ± 1.1** | 2.4 ± 1.2 |
FEF/CVF | 0.7 ± 0.2 | 0.6 ± 0.3 | 0.7 ± 0.3 |
EPF | 7.1 ± 1.8 | 5.5 ± 2.0** | 5.7 ± 2.2 |
Plethysmography | |||
VC (L) | 3.73 ± 0.6 | 2.95 ± 0.7*** | 3.16 ± 0.6 |
IC (L) | 2.45 ± 0.6 | 2.69 ± 0.6* | 2.93 ± 0.6‡ |
ERV (L) | 1.31 ± 0.08 | 0.33 ± 0.2*** | 0.26 ± 0.2 |
TLC (L) | 5.48 ± 0.9 | 5.27 ± 1.1 | 5.14 ± 1.3 |
TV (L) | – | 0.86 ± 0.3 | 0.87 ± 0.2 |
RV (L) | 1.7 ± 0.3 | 2.3 ± 0.8*** | 2.0 ± 0.9‡ |
RV/TLC | 31.11 ± 3.1 | 43.8 ± 12.9*** | 39 ± 11.6‡ |
FRC | 3.02 ± 0.35 | 2.86 ± 1.2 | 2.3 ± 1.0‡ |
TGV | – | 3.2 ± 1.3 | 2.7 ± 1.26‡ |
Raw | 1.38 ± 0.09 | 5.8 ± 5.2*** | 3.7 ± 3.1‡‡ |
SGaw | 0.24 ± 0.02 | 0.12 ± 0.09*** | 0.16 ± 0.1‡ |