BMC Musculoskeletal Disorders

Table 1 Intra-observer reliabilities of the observer 1

From: Grayscale inversion radiographic view provided improved intra- and inter-observer reliabilities in measuring spinopelvic parameters in asymptomatic adult population

	Standard view		Grayscale inversion view
	ICC^a	95 % CI^b	ICC^a	95 % CI^b
Thoracic kyphosis	0.921	0.843–0.967	0.947	0.869–0.967
Lumbar lordosis	0.954	0.911–0.978	0.959	0.922–0.983
Sagittal vertical axis	0.901	0.853–0.924	0.964	0.937–0.981
Pelvic incidence	0.817	0.624–0.907	0.972	0.941–0.991
Pelvic tilt	0.833	0.647–0.916	0.937	0.889–0.973
Sacral slope	0.941	0.853–0.969	0.956	0.897 - 0.971

ICC^a indicates inter- and/or intra-class correlation coefficient; CI^b indicates confidence interval

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