Table 2 Multivariate analysis of subjects’ features
Odds ratio (95% confidence interval) | P value | |
|---|---|---|
Inhaled corticosteroids | 1.040 (0.668–1.610) | 0.868 |
Smoking history | 0.598 (0.355–1.010) | 0.0526 |
Man | 0.363 (0.230–0.569) | 0.0001 |
Aged 65 and over | 0.434 (0.287–0.654) | < 0.0001 |
Cough variant asthma | 1.570 (0.980–2.510) | 0.0613 |