Intra- and Interday Reliability of Spine Rasterstereography

Table 2

ICC and Cα values for intraday, interday, and overall repeated measures of NM group.

Parameter	Intraday		Interday		Overall
	Cα	ICC	Cα	ICC	Cα	ICC
Trunk length*	0.989**	0.978**	0.991**	0.982**	0.991**	0.972**
Kyphotic angle*	0.965	0.927	0.906	0.768	0.923	0.802
Lordotic angle*	0.956	0.918	0.971	0.945	0.975	0.930
Kyphotic apex*	0.955	0.917	0.972	0.947	0.971	0.919
Lordotic apex*	0.982	0.962	0.982	0.966	0.982	0.948
Flèche cervicale*	0.979	0.960	0.945	0.900	0.972	0.922
Flèche lombaire*	0.955	0.903	0.962	0.929	0.968	0.906
Trunk imbalance* (°)	0.920	0.857	0.950	0.907	0.951	0.870
Trunk imbalance* (mm)	0.969	0.943	0.959	0.923	0.974	0.928
Pelvic inclination* (mm)	0.940	0.892	0.950	0.905	0.961	0.894
Inflection point ILS*	0.966	0.935	0.986	0.972	0.977	0.935
Inflection point ITL*	0.857	0.758	0.861	0.761	0.870	0.696
Left lateral deviation	0.731***	0.561***	0.695***	0.537***	0.729***	0.461***
Right lateral deviation	0.774	0.641	0.805	0.672	0.777	0.542
Left surface rotation	0.883	0.795	0.832	0.721	0.885	0.726
Right surface rotation	0.808	0.686	0.782	0.630	0.806	0.580
Pelvic torsion	0.823	0.704	0.741	0.598	0.828	0.624
Trunk torsion	0.752	0.607	0.890	0.777	0.833	0.622
Mean	0.900	0.830	0.898	0.824	0.909	0.793

∗Invariant parameters.
∗∗Highest value.
∗∗∗Lowest value.