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Table 4 Number of subjects with normal and abnormal testing results before and after surgery in studies included in the meta-analysis for the VEMP test

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

Study Years Normal.
pre
Abnormal. pre Normal. post Abnormal. post Number. pre Number. post
Basta [12] 2008 16 2 6 12 18 18
Coordes [13] 2012 17 0 14 3 17 17
Ernst [30] 2006 12 6 4 14 18 18
Katsiari [2] 2013 10 10 4 16 20 20
Krause [24] 2010 14 16 8 22 30 30
Louza [34] 2014 29 12 11 30 41 41
Melvin [5] 2009 12 7 11 5 19 16
Nordfalk [21] 2014 9 3 5 7 12 12
Nordfalk [19] 2015 25 8 13 20 33 33
Robard [11] 2015 22 12 9 25 34 34
Todt [36] 2008 39 23 28 34 62 62
Wagner [17] 2010 22 18 17 23 20 20
  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