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Median unaided air-conduction preoperative (light blue line), activation (green line), 6-months (red line), and 1-year (dark blue line) postoperative thresholds. Median threshold differences (square open markers) at activation (green line), 6-months (red line), and 1-year (dark blue line) postoperative as compared with preoperatively. Error bars represent one standard deviation above and below the mean.
