Table 3.

Reliability and agreement of Sydney system facial nerve branches across assessment modes.

Sydney system facial nerve branches	Assessment mode	Intraclass correlation coefficient (95% CI)	P value	Percentage exact agreement (%)	Percentage close agreement (%)
Temporal	Face-to-face	0.789 (0.624-0.900)	<.001	52.4	95.2
	Video	0.857 (0.734-0.934)	<.001	66.7	90.5
Zygomatic	Face-to-face	0.633 (0.402-0.813)	<.001	33.3	90.5
	Video	0.625 (0.392-0.809)	<.001	42.9	85.7
Buccal	Face-to-face	0.834 (0.695-0.922)	<.001	61.9	95.2
	Video	0.862 (0.742-0.936)	<.001	61.9	100.0
Marginal mandibular	Face-to-face	0.794 (0.630-0.902)	<.001	52.4	85.7
	Video	0.758 (0.576-0.883)	<.001	33.3	85.7
Cervical	Face-to-face	0.790 (0.624-0.900)	<.001	42.9	81.0
	Video	0.597 (0.356-0.792)	<.001	38.1	71.4
Synkinesis	Face-to-face	0.709 (0.504-0.857)	<.001	57.1	90.5
	Video	0.437 (0.172-0.687)	<.001	42.9	71.4