Table 4.

Interobserver and Intraobserver variability

Variable	Interobserver		Intraobserver
	ICC(95% CI)	CoV(%)	ICC(95% CI)	CoV(%)
GLS	0.896(0.709–0.965)	4.05 ± 2.97	0.895(0.725–0.962)	6.31 ± 4.78
GRS	0.891(0.695–0.964)	18.19 ± 10.72	0.891(0.708–0.962)	15.05 ± 7.51
GCS	0.902(0.723–0.964)	10.93 ± 6.28	0.914(0.771–0.969)	11.89 ± 8.79
BaseRot	0.893(0.687–0.966)	17.38 ± 11.60	0.913(0.760–0.970)	18.87 ± 10.94
ApexRot	0.910(0.734–0.972)	10.93 ± 5.17	0.925(0.815–0.971)	12.02 ± 7.62
Twist	0.921(0.762–0.975)	13.22 ± 11.15	0.959(0.896–0.984)	11.91 ± 7.69

ICC intraclass correlation coefficients, CoV coefficient of variation;