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Table 2 Number of subjects with normal and abnormal testing results before and after surgery in studies included in the meta-analysis for the HIT test

From: Effect of cochlear implant surgery on vestibular function: meta-analysis study

Study Year Normal pre Abnormal pre Normal post Abnormal post Number pre Number post
Basta [12] 2008 18 0 18 0 18 18
Batuecas [8] 2015 30 0 20 10 30 30
Jutila [32] 2012 19 25 15 29 44 44
Melvin [5] 2009 14 0 10 0 14 10
Migliaccio [10] 2005 14 2 10 1 16 11
Vankatova [9] 2014 50 0 43 7 50 50
  1. Normal pre = number of individuals with normal test results before surgery. Abnormal Pre = number of individuals with abnormal test results before surgery. Normal post = number of individuals with normal test results after surgery. Abnormal post = number of individuals with abnormal test results after surgery. Number pre = number of individuals tested before surgery. Number post = number of individuals tested after surgery