Table 2 Comparison of factors associated with hyperinflation (TLC > 120% predicted, RV > 140% or RV/TLC ratio > 0.4) for persons with active asthma
From: Static lung volumes and diffusion capacity in adults 30 years after being diagnosed with asthma
Odds ratio (95% CI) | P-value | ||
|---|---|---|---|
Hyperinflation (N = 25/103) | |||
Asthma severity (Gina step 1 reference) | Gina 2–3 | Gina 4–5 | 0.1052 |
2.60 (0.79—8.53) | 3.25 (1.06—10.30) | ||
Gina control (well-controlled reference) | Partially controlled | Uncontrolled | 0.9773 |
0.97 (0.36—2.62) | 0.86 (0.21—3.52) | ||
Female sex | 0.88 (0.35—2.18) | 0.7766 | |
Ever smoking | 1.07 (0.43—2.64) | 0.8828 | |