Table I.

SNOT‐22 Domains and Items Based on Exploratory Factor Analysis and Confirmatory Factor Analysis.

SNOT‐22 Domain	SNOT‐22 Item
Nasal	1. Need to blow nose
	2. Nasal blockage
	3. Sneezing
	4. Runny nose
	5. Cough
	6. Post‐nasal discharge
	7. Thick nasal discharge
	8. Decreased sense of smell/taste
Ear/Facial	9. Ear fullness
	10. Dizziness
	11. Ear pain
	12. Facial pain/pressure
Sleep	13. Difficulty falling asleep
	14. Wake up at night
	15. Lack of a good night's sleep
	16. Wake up tired
Function	17. Fatigue
	18. Reduced productivity
	19. Reduced concentration
Emotion	20. Frustrated/restless/irritable
	21. Sad
	22. Embarrassed

SNOT‐22 = 22‐item Sinonasal Outcome Test.