Table 1.

Clinical characteristics and information of study groups

	Control	Nasal polyposis	Chronic sinusitis
Age, mean ± SD	44±17	49±12	43±16
Gender, n
Male	12	14	5
Female	18	10	12
Smoking, n
Yes	5	5	5
No	25	19	12
Surgery,a n
Yes	1	10	6
No	29	14	11
SNOT-22 score, mean ± SD	9.7±13.6	48.5±18.2	50.2±30.8

Note:

^aVolunteer had undergone sinuses/nose surgery.

Abbreviation: SNOT, Sino-Nasal Outcome Test.