Parameters % P or L | Moderate airflow obstruction (n = 20) | Severe airflow obstruction (n = 23) | P(Mann Whitney) |
---|---|---|---|
VC | |||
Pre-BD (%P) | 93.2 (86.5-101.0) | 75.7 (67.3-85.2) | <0.01 |
Post-BD (%P) | 102 (91.4-104.7) | 84.9 (76,5-96.7) | 0.01 |
P (Wilcoxon) | 0.01 | <0.01 | |
IC | |||
Pre-BD (L) | 1.94 (1.63-2.43) | 1.56 (1.24-1.88) | 0.01 |
Post-BD (L) | 2.1 (1.73-2.63) | 1.76 (1.50-1.94) | 0.01 |
P (Wilcoxon) | 0.02 | <0.01 | |
FVC | |||
Pre-BD (%P) | 96.2 (88.1-104.3) | 76.6 (65.5-93.9) | <0.01 |
Post-BD (%P) | 105.2 (92.3-109.7) | 87.7 (76.8-87.7) | 0.02 |
P (Wilcoxon) | <0.01 | <0.01 | |
FEV1 | |||
Pre-BD (%P) | 68.2 (65.3-77.5) | 48.8 (42.7-55.7) | <0.01 |
Post-BD (%P) | 78.9 (70.7-86.3) | 60.8 (51.2-65.2) | <0.01 |
P (Wilcoxon) | <0.01 | <0.01 | |
TLC | |||
Pre-BD (%P) | 95.8 (91.4-113.5) | 92.8 (82.3-105.9) | 0.19 |
Post-BD (%P) | 99.2 (89.9-109.4) | 95.8 (87.4-104.0) | 0.40 |
P (Wilcoxon) | 0.8 | 0.4 | |
RV/TLC | |||
Pre-BD (%P) | 108.1 (97.6-123.9) | 124.8 (105.0-145.0) | 0.06 |
Post-BD (%P) | 101.0 (79.7-122.4) | 111.0 (91.9-125.4) | 0.18 |
P (Wilcoxon) | 0.1 | <0.01 | |
RV | |||
Pre-BD (% P) | 105.2 (90.0-136.6) | 113.0 (103.3-145.4) | 0.42 |
Post-BD (% P) | 97.3 (76.3-135.6) | 102.6 (87.6-124.3) | 0.39 |
P (Wilcoxon) | 0.3 | 0.05 |