Control (n = 31) | Work-related asthma before BD (n = 31) | Work-related asthma post BD (n = 31) | |
---|---|---|---|
Resistive parameters | |||
R0 (cmH2O/L/s) | 2.7 ± 0.7 | 3.9 ± 1.8* | 2.8 ± 1.1‡‡‡ |
Rm (cmH2O/L/s) | 2.6 ± 0.6 | 3.3 ± 1.3 | 2.5 ± 0.8‡‡‡ |
S (cmH2O/L/s2) | − 8.9 ± 18.7 | − 66.0 ± 65**** | − 32.7 ± 43.5‡‡‡ |
R4 (cmH2O/L/s) | 2.6 ± 0.7 | 3.6 ± 1.5* | 2.6 ± 0.9‡‡‡ |
R12 (cmH2O/L/s) | 2.4 ± 0.6 | 3.0 ± 1.1 | 2.3 ± 0.8‡‡‡ |
R20 (cmH2O/L/s) | 2.6 ± 0.7 | 2.8 ± 1.1 | 2.2 ± 0.8‡‡‡ |
R4− R20 (cmH2O/L/s) | 0.03 ± 0.3 | 0.7 ± 0.9**** | 0.3 ± 0.5‡‡ |
Reactive parameters | |||
Xm (cmH2O/L/s) | 0.4 ± 0.3 | − 0.4 ± 0.9**** | − 0.07 ± 0.6‡‡‡ |
Fr (Hz) | 11.3 ± 1.5 | 20.0 ± 6.6**** | 17.2 ± 6.4‡ |
Cdyn (mL/cmH2O) | 18.8 ± 6.3 | 14.4 ± 5.8** | 19.4 ± 6.1‡‡‡ |
Axt (cmH2O/L) | 8.7 ± 3.5 | 31.4 ± 30.1**** | 19.1 ± 22.0‡‡‡ |
Axi (cmH2O/L) | 6.2 ± 2.6 | 20.4 ± 20.4**** | 11.9 ± 12.6‡‡‡ |
Z4 (cmH2O/L/s) | 3.5 ± 0.9 | 5.0 ± 2.3* | 3.6 ± 1.5‡‡‡ |