Epidemiology

Prevalence rates of nasal polyps in the general adult population are likely to be between 2% and 4%;​​​​ about 7% of people with asthma also have chronic rhinosinusitis with nasal polyps.[3][4]​ Chronic sinusitis affects 5% to 12% of the general population.[2]​ Nasal polyps are present in approximately 25% to 30% of patients with chronic rhinosinusitis.[5]

Nasal polyps are more common in men than in women. The average age of onset is approximately 42 years.[5] They are less commonly found in those ages <18 years.[4]

A higher prevalence is found in people with asthma, people with cystic fibrosis, and people with aspirin- or nonsteroidal anti-inflammatory drug-hypersensitivity, compared with the general population.[3][6][7]​​​​

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