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. 2014 Aug 19;9(8):e105026. doi: 10.1371/journal.pone.0105026

Figure 3. Flowchart showing the oVEMP results for non-operated VS patients (n = 63).

Figure 3

Results are presented according to the following test sequence: AC STB, AFz BCV and mastoid BCV. This sequence is optimal to provide reliable conclusions about the functional status of the inferior (mostly utricular) nerve in a minimum of time. Patients with normal ACS oVEMPs always exhibited normal AFz and normal mastoid oVEMPs (Figure 3, grey squares). Patients with abnormal oVEMPs also exhibited abnormal AFz (25 of 28 patients) and abnormal mastoid oVEMPs (21 of 28 patients) (Figure 3, purple squares). Abnormal ACS but normal BCV oVEMPs were observed in three of 28 patients for AFz and in seven of 28 patients for mastoid BCV (Figure 3, yellow squares). Among the 26 ACS NR patients, 13 were NR for AFz BCV and three were NR for mastoid BCV(green squares).