BMC Musculoskeletal Disorders

Table 2 Reliability analysis of sagittal alignment parameters

From: Sagittal alignment of the cervical spine: radiographic analysis of 111 asymptomatic adolescents, a retrospective observational study

	Intra-rater reliability			Inter-rater reliability
	ICC	95% CI		ICC	95% CI
C7 Slope	0.99	0.99	0.99	0.95	0.93	0.96
C2-C7 Cobb	0.98	0.97	0.99	0.92	0.90	0.94
C2-S1 SVA	0.90	0.88	0.93	0.86	0.73	0.92
C7-S1 SVA	0.92	0.90	0.94	0.85	0.71	0.91
C2-7PL	0.96	0.95	0.97	0.89	0.86	0.93
T5-T12 Cobb	0.95	0.92	0.96	0.90	0.87	0.92
T10-L2 Cobb	0.93	0.89	0.98	0.89	0.83	0.91
L1-S1 Cobb	0.92	0.87	0.94	0.90	0.88	0.93
PI	0.95	0.93	0.96	0.87	0.79	0.90
PT	0.96	0.95	0.97	0.90	0.87	0.92
SS	0.93	0.91	0.94	0.89	0.86	0.91

Cobb Angle measured using Cobb method, SVA Sagittal Vertical Axis, PL Plumb Line, ICC Intraclass correlation analysis, CI Confidence interval

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ISSN: 1471-2474

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