| Abbreviation | Definition |
| ENT | Ear, Nose, and Throat |
| KM | Traditional Korean Medicine |
| HB | House–Brackmann |
| PSM | Propensity Score Matching |
| OR | Odds Ratio |
| CI | Confidence Interval |
| EMR | Electronic Medical Record |
| ICD-10 | International Classification of Diseases, 10th Revision |
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