Intra and interrater reliability and clinical feasibility of a simple measure of cervical movement sense in patients with neck pain

Table 3 Interrater reliability (n = 20)

Variable	Pattern	Velocity	ICC of agreement	95% Confidence interval	SEM
Time	F8	Accurate	1	1–1	0.05
	F8	Accurate& fast	1	0.99–1	0.02
	ZZ	Accurate	1	1–1	< 0.01
	ZZ	Accurate& fast	1	0.98–1	0.03
Error frequency	F8	Accurate	0.76	0.63–0.86	1.74
	F8	Accurate& fast	0.91	0.86–0.94	0.47
	ZZ	Accurate	0.80	0.60–0.88	0.78
	ZZ	Accurate& fast	0.84	0.70–0.92	0.48
Error magnitude	F8	Accurate	0.78	0.62–0.86	2.02
	F8	Accurate& fast	0.87	0.77–0.92	1.05
	ZZ	Accurate	0.88	0.68–0.93	0.82
	ZZ	Accurate& fast	0.94	0.85–0.97	0.69

ICC Intraclass Correlation Coefficients for agreement, SEM Standard error of measurement, F8 figure of 8, ZZ zigzag

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