Peak nasal inspiratory flow correlates with quality of life in functional endoscopic sinus surgery.
Katherine Lisa WhitcroftP J AndrewsP S RandhawaPublished in: Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery (2017)
Changes in PNIF after FESS appear to best reflect improvements in quality of life in CRS as measured using the "SNOT-22" questionnaire.