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

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

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

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

ISSN: 1916-0216