OD	Olfactory dysfunction
CRSwNP	Chronic rhinosinusitis with nasal polyps
VAS	Visual analog scale
SNOT-22	Sinonasal Outcome Test-22
NPS	Nasal Polyp Score
CT	Computed tomography
HRQoL	Health-related quality of life
N-ERD	NSAID-exacerbated respiratory disease
IL	Interleukin
ESS	Endoscopic sinonasal surgery
OCS	Oral corticosteroids
SD	Standard deviation