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Table 2 Postoperative facial nerve functional outcome according to House-Brackmann grading scale

From: Preservation of facial nerve functions during vestibular schwannoma surgery: outcome analysis

House-Brackmann grade Number Percentage
HB grade I (100%) 22 68.75
HB grade II (80%)* 0 0
HB grade III (60%)* 2 6.25
HB grade IV (40%)* 4 12.5
HB grade V (20%)* 0 0
HB grade VI (0%)* 4 12.5
Total 32 100
  1. *Less than 100% preservation means HB grading scale between II and VI