Variables | Odds ratio | 95% CI | p value |
---|---|---|---|
Severity of airflow obstruction | Â | Â | 0.002 # |
Non-COPD versus GOLD grade 1 | 0.920 | 0.370–2.289 | 0.858 |
Non-COPD versus GOLD grade 2 | 1.085 | 0.268–4.386 | 0.909 |
Non-COPD versus GOLD grade 3 | 0.025 | 0.004–0.167 | <0.0001 # |
Clinical staging | Â | Â | <0.0001 # |
Stage 1A versus stage 1B | 1.084 | 0.326–3.602 | 0.895 |
Stage 1A versus stage 2A | 0.679 | 0.185–2.491 | 0.559 |
Stage 1A versus stage 2B | 0.705 | 0.172–2.895 | 0.628 |
Stage 1A versus stage 3A | 0.062 | 0.019–0.202 | <0.0001 # |
Age (per one year) | 0.858 | 0.802–0.917 | <0.0001 # |