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

Table 4

Summary of the results of R1 and R2 latencies of the blink reflex for the study groups.

	Study			95% CI
				R1 latency [ms]
Group I	1	8.33	0.44	7.45	9.22
	2	11.43	0.43	10.58	12.28
Group II	1	8.87	0.44	7.99	9.75
	2	8.64	0.43	7.79	9.49
R2 latency [ms]
Group I	1	36.46	1.58	33.33	39.59
	2	41.98	1.78	38.45	45.50
Group II	1	32.29	1.58	29.17	35.42
	2	32.97	1.78	29.44	36.50

Group I—patients undergoing surgery with facial nerve monitoring. Group II—patients undergoing surgery without facial nerve monitoring. M: mean; SE: standard error; CI: confidence interval; LL and UL: lower and upper limits of the confidence interval.