From: The gender, age and risk factor distribution differs in self-reported allergic and non-allergic rhinitis: a cross-sectional population-based study
AR
NAR
p value
Median age at onset (years) (IQR)
16 (10–25)
18 (10–30)
<0.001
Self-reported sinusitis (%)
33.9
38.6
0.002
Self-reported nasal polyposis (%)a
6.6
5.2
0.177
Use of drugs for rhinitis in the last 12 months (%)
55.8
29.7