(A) Median, interquartile range (the middle 50% of the values), minimum, and maximum of reference values for the P13 to N23 amplitude in cVEMP. (B) Median, interquartile range (the middle 50% of the values), minimum, and maximum of cutoffs for asymmetry ratio for cVEMP and oVEMP in %. cVEMP = cervical vestibular evoked myogenic potentials; oVEMP = ocular vestibular evoked myogenic potentials.