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Mean score and distribution of YPRSRS by assessment
| Location/Severity Classification | Initial Assessment, n(%) | Second Assessment, n(%) |
|---|---|---|
| Vallecula, mean (sd) | 3.17 (1.93) | 3.20 (1.41) |
| I | 79 (13.6) | 78 (13.4) |
| II | 146 (25.2) | 148 (25.5) |
| III | 88 (15.2) | 83 (14.3) |
| IV | 130 (22.4) | 123 (21.2) |
| V | 137 (23.6) | 148 (25.5) |
| Pyriform sinus, mean (sd) | 2.89 (1.38) | 2.87 (1.38) |
| I | 117 (20.4) | 113 (19.7) |
| II | 140 (24.4) | 158 (27.6) |
| III | 94 (16.4) | 81 (14.1) |
| IV | 135 (23.6) | 133 (23.2) |
| V | 87 (15.2) | 88 (15.4) |
