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Hearing outcome in 42 (≤ 10 mm, ≤ 30 dB PTA/70% SDS) cases of II and III series.
| AAOHNS | No. cases | Post-op.. A | Post-op. B | Post-op. C | Post-op. D | ||
| Pre-op. A | 42 | 20 | 15 | 1 | 6 | ||
| TOKYO | No. cases | Post-op. A | Post-op. B | Post-op. C | Post-op. D | Post-op. E | Post-op. F |
| Pre-op. A | 25 | 11 | 8 (3) | 2 (2) | 1 | / | 3 |
| Pre-op. B | 17 | / | 7 (4) | 6 (4) | 1 | / | 3 |
| Total | 42 | 11 | 15 (7) | 8 (6) | 2 | / | 6 |
(…): cases with upgraded class.
