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Results of oropharyngeal pH-monitoring before and after application of Horvath Score (n = 180).
| PHM | Severe LPR | Moderate LPR | Mild LPR | Neutral LPR | Alkaline LPR | No LPR |
|---|---|---|---|---|---|---|
| Initial | 100 (55%) | 28 (16%) | 23 (13%) | 9 (5%) | 7 (4%) | 13 (7%) |
| Final | 99 (55%) | 29 (16%) | 23 (13%) | 9 (5%) | 7 (4%) | 13 (7%) |
Abbreviations: LPR, laryngopharyngeal reflux; PHM, oropharyngeal pH-monitoring; Initial, initial interpretation of Restech graph; Final, final results of Restech graph after application of Horvath Score.
