Prospective Assessment of Intraoperative Facial Nerve Monitoring in Patients Undergoing Partial Parotidectomy

Table 3

Summary of the results of amplitudes from the orbicularis oculi muscle and the orbicularis oris muscle.

	Examination			95% CI
				Orbicularis oculi muscle [mV]
Group I	1	0.86	0.06	0.74	0.98
	2	0.48	0.05	0.38	0.58
Group II	1	0.35	0.06	0.23	0.47
	2	0.28	0.04	0.18	0.37
Orbicularis oris muscle [mV]
Group I	1	1.19	0.13	0.93	1.45
	2	0.82	0.10	0.62	1.03
Group II	1	1.19	0.13	0.93	1.45
	2	0.88	0.10	0.68	1.08

Group I—patients undergoing surgery in whom facial nerve monitoring was not applied. Group II—patients undergoing surgery in whom facial nerve monitoring was applied. M: mean; SE: standard error; CI: confidence interval; LL and UL: lower and upper limits of the confidence interval.