Inter- and intra-rater reliability of vertebral fracture classifications in the Swedish fracture register

doi:10.5312/wjo.v10.i1.14

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World Journal of Orthopedics

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2218-5836

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Orthop. Jan 18, 2019; 10(1): 14-22
Published online Jan 18, 2019. doi: 10.5312/wjo.v10.i1.14

Table 4 Intra-rater reliability for vertebral fracture classifications shown as kappa value (asymptotic standard error) for all raters. Raters are compared to themselves.

		Kappa
		Cervical spine					Thoracolumbar spine
		C1-Th1	C1	C2	C3-Th1	Signs of ankylosing spinal disorder¹	Th2-L5	Th2-L5 A-type injuries	Th2-L5 B-type injuries	Th2-L5 C-type injuries	Signs of ankylosing spinal disorder¹
Rater	1	0.72 (0.07)	0.67 (0.10)	0.93 (0.05)	0.80 (0.06)	1.00 (0.00)	0.59 (0.08)	0.76 (0.08)	0.69 (0.08)	0.84 (0.09)	1.00 (0.00)
	2	0.62 (0.07)	0.72 (0.10)	0.93 (0.05)	0.75 (0.07)	0.70 (0.14)	0.62 (0.07)	0.83 (0.07)	0.64 (0.08)	0.90 (0.07)	0.86 (0.08)
	3	0.40 (0.07)	0.86 (0.09)	0.63 (0.07)	0.55 (0.07)	0.66 (0.12)
	4	0.44 (0.07)	0.79 (0.10)	0.64 (0.08)	0.53 (0.07)	0.72 (0.10)
	5	0.72 (0.07)	0.93 (0.07)	0.78 (0.07)	0.82 (0.06)	0.85 (0.10)	0.60 (0.08)	0.75 (0.07)	0.78 (0.08)	0.69 (0.10)	0.95 (0.05)
	6						0.32 (0.07)	0.52 (0.09)	0.37 (0.10)	0.49 (0.14)	0.60 (0.13)
	7						0.16 (0.07)	0.31 (0.09)	0.32 (0.10)	0.47 (0.17)	0.63 (0.19)

¹Ankylosing spondylitis or diffuse idiopathic skeletal hyperostosis. C: Cervical vertebra; L: Lumbar vertebra; Th: Thoracic vertebra.

Citation: Morgonsköld D, Warkander V, Savvides P, Wihlborg A, Bouzereau M, Möller H, Gerdhem P. Inter- and intra-rater reliability of vertebral fracture classifications in the Swedish fracture register. World J Orthop 2019; 10(1): 14-22
URL: https://www.wjgnet.com/2218-5836/full/v10/i1/14.htm
DOI: https://dx.doi.org/10.5312/wjo.v10.i1.14