Table 2.

Intra-rater and inter-rater ICC for all measurements

	Intra-rater ICC	SEM	Inter-rater ICC	SEM
Cobb	0.96	1.53	0.91	1.37
FSA	0.93	2.07	0.81	2.32
CT	0.95	1.12	0.83	1.88
T1S	0.95	1.49	0.94	1.14
C2–C7 SVA	0.9	1.98	0.86	2.07

Abbreviations: C2–C7 SVA, C2–C7 sagittal vertical axis; CT, cervical tilt; FSA, fused segment angle; SEM, standard error of the mean; T1S, T1 slope.