Table 1
Prevalence of nasal polyposis in different population subgroups
| Aspirin intolerance | 36–72% |
| Adult asthma | 7% |
| IgE mediated | 5% |
| Non-IgE mediated | 13% |
| Chronic sinusitis in adults | 2% |
| IgE mediated | 1% |
| Non-IgE mediated | 5% |
| Childhood asthma/sinusitis | 0.1% |
| Cystic fibrosis | |
| Children | 10% |
| Adults | 50% |
| Allergic fungal sinusitis | 66–100% |
| Primary ciliary dyskinesia | 40% |
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Adapted from Settipane et al.1
