Table 4 Comparison of associations between static lung volumes and diffusion capacity, and patients with mild, moderate, and severe asthma
From: Static lung volumes and diffusion capacity in adults 30 years after being diagnosed with asthma
Variables | Mild asthma | Moderate asthma (GINA step 2–3) | P-value | Severe asthma (GINA step 4–5) | P-value |
|---|---|---|---|---|---|
TLC% pred | 1.00 | Δ3.10 (-2.68—8.88) | 0.2899 | Δ2.23 (-3.37—7.84) | 0.4314 |
DLCO%, pred | 1.00 | Δ5.22 (-3.12—13.6) | 0.2168 | Δ1.15 (-7.02—9.32) | 0.7806 |
KCO%, pred | 1.00 | Δ1.71 (-6.12—9.54) | 0.6659 | Δ2.18 (-5.49—9.85) | 0.5744 |
RV % pred | 1.00 | Δ6.40 (-6.17—19.0) | 0.3147 | Δ14.8 (2.61—27.0) | 0.0178 |
RV/TLC ratio, OR > 0.4 | 1.00 | 1.28 (0.49—3.30) | 0.9108 | 1.47 (0.59—3.66) | 0.5389 |
sRaw % pred | 1.00 | Δ13.6 (-32.0—59.3) | 0.5546 | Δ53.3 (9.06—97.6) | 0.0187 |