Table 1. The comparison of the stimulation methodology for brainstem auditory evoked potentials (BAEPs) of the intraoperative neurophysiologic monitoring

	American Clinical Neurophysiology Society [8]	Joo et al. [9]
Stimulation frequency	5–12 Hz	43.9 Hz
Numbers of averaging trials	500–1,000	400
The time to obtain BAEPs	100 s	9.1 s