TABLE 1.

Characteristics of subjects providing sinus tissue.

	Healthy control subjects	Patients with CRSwNP	P value*
Sample size (No.)	25	70	NA.
Gender (M/F)	16/9	47/23	0.969
Age (y, Mean ± SEM)	35.84 ± 3.52	40.25 ± 12.65	0.337
Atopy (N%)	3 (12%)	16 (23%)	0.355
Asthma (N%)	0 (0%)	11 (16%)	0.081
Smoker (N%)	2 (8%)	12 (17%)	0.390

NA, not applicable; M, male; F, Female. *P value was evaluated using the Fisher’s exact test. P < 0.05 was considered statistically significant.