Assessment and Diagnostic Accuracy Evaluation of the Reflux Symptom Index (RSI) Scale: Psychometric Properties using Optimal Scaling Techniques.
Andrea NacciLuca BastianiMaria Rosaria BarillariJérôme René LechienMassimo MartinelliNicola De BortoliStefano BerrettiniBruno FattoriPublished in: The Annals of otology, rhinology, and laryngology (2020)
It would be necessary to think about modifying the original RSI in order to improve its sensitivity and specificity (RSI binary version, adding or changing some items), or to introduce new scores in order to better frame the probably affected of LPR patient.