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Pre- and Postoperative Hearing Results for Tumors 1–5 mm in the CPA
| AAO-HNS Scale | Total | Postoperative |
|||
|---|---|---|---|---|---|
| A | B | C | D | ||
| AAO-HNS, American Academy of Otolaryngology—Head and Neck Surgery; CPA, cerebellopontine angle; WRS, word recognition score. | |||||
| Preoperative | |||||
| A | 28 | 11 | 0 | 1 | 16 |
| B | 16 | 0 | 8 | 1 | 7 |
| C | 2 | 0 | 0 | 1 | 1 |
| D | 10 | 0 | 1 | 0 | 9 |
| Total | 56 | 11 | 9 | 3 | 33 |
| WRS Scale | Total | Postoperative | |||
| I | II | III | IV | ||
| Preoperative | |||||
| I | 39 | 16 | 2 | 2 | 19 |
| II | 7 | 2 | 1 | 1 | 3 |
| III | 5 | 1 | 0 | 0 | 4 |
| IV | 5 | 0 | 0 | 1 | 4 |
| Total | 56 | 19 | 3 | 4 | 30 |
