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Table 4 Relation between the extent of resection and the functional preservation of the facial nerve

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

Extent of resection Facial nerve preservation Total
100% preservation Less than 100% preservation
Near-total 12 (60%) 8 (40%) 20
Subtotal 10 (83.3%) 2 (16.7%) 12
P 0.021* 0.035* 32
  1. Less than 100% preservation means HB grading scale between II and VI
  2. *Statistically significant difference