Assessment of LPR
LPR was defined as both RSI score >13 and RFS score
>7.
During the initial visit, all the patients filled out RSI questionnaire
to evaluate the severity of LPR-related symptoms, which containing
9-item and 0-5 score: the higher the score, the more serious the
problem.
The RFS 5 is a useful tool to assess and follow-up LPR
patients, which contains 8 items for judging severity of laryngoscopic
findings. The
laryngoscopy
were reviewed by an otolaryngologist blinded to patient RSI and PSG
information. They rated 8 items from 0 (normal) to 4
(severe
problem) according to laryngoscopic findings.