Healthy control subjects Patients with CRSwNP P value*
Sample size (No.) 25 70 NA.
Gender (M/F) 16/9 47/23 .969
Age (y, Mean ± SEM) 35.84 ± 3.52 40.25 ± 12.65 .337
Atopy (N%) 3 (12%) 16 (23%) .355
Asthma (N%) 0 (0%) 11 (16%) .081
Smoker (N%) 2 (8%) 12 (17%) .390