Table 1.
Study results for each method in detecting laryngopharyngeal reflux according to the Horvath Score (n = 180).
| Horvath Score | Severity | Pathologic RSI | Pathologic RFS | Pathologic PHM | Positive Ryan | Pathologic TNE | Total |
|---|---|---|---|---|---|---|---|
| 4–5 | Severe LPR | 79 (80%) | 57 (58%) | 99 (100%) | 94 (95%) | 97 (98%) | 99 (55%) |
| 2–3 | Nonsevere LPR | 52 (76%) | 15 (22%) | 65 (96%) | 6 (9%) | 62 (91%) | 68 (38%) |
| Moderate | 20 (69%) | 7 (24%) | 27 (93%) | 5 (17%) | 25 (86%) | 29 (16%) | |
| Mild | 16 (70%) | 3 (13%) | 23 (100%) | 1 (4%) | 21 (91%) | 23 (13%) | |
| Neutral | 9 (100%) | 3 (33%) | 8 (89%) | 0 (0%) | 9 (100%) | 9 (5%) | |
| Alkaline | 7 (100%) | 2 (29%) | 7 (100%) | 0 (0%) | 7 (100%) | 7 (4%) | |
| 0–1 | No LPR | 6 (46%) | 0 (0%) | 0 (0%) | 0 (0%) | 2 (15%) | 13 (7%) |
Abbreviations: LPR, laryngopharyngeal reflux; RSI, Reflux Symptom Index; RFS, Reflux Finding Score; PHM, oropharyngeal pH-monitoring; Ryan, Ryan Score; TNE, transnasal esophagoscopy.