Comorbidity | Odds ratio | 95 % CI |
---|---|---|
Allergic rhinitis | 4.06 | 3.62–4.55 |
Other disease resp. system (including nasal polyps) | 3.63 | 2.81–4.70 |
Asthma | 2.30 | 2.03–2.61 |
Upper resp. tract infections | 2.16 | 1.99–2.34 |
Emphysema/COPD | 1.11 | 0.84–1.46 |
Disease of teeth/gums | 1.07 | 0.72–1.58 |