Patient Safety in Surgery

Table 5 Reproducibility of Kappa coefficients between different periods of evaluation by type of classification, diagnostic methods, and between specialists. Interval of 15 days

From: Three-dimensional printing models increase inter-rater agreement for classification and treatment of proximal humerus fractures

	3D Models		CT
	Kappa	p	Kappa	p
Surgeon 1
AO / OTA Classification	0.839	< 0.001	0.735	< 0.001
Neer Classification	0.747	< 0.001	0.650	< 0.001
AO/OTA Treatment	0.742	< 0.001	0.762	< 0.001
Neer Treatment	0.618	< 0.001	0.615	< 0.001
Surgeon 2		< 0.001
AO / OTA Classification	0.750	< 0.001	0.710	< 0.001
Neer Classification	0.727	< 0.001	0.742	< 0.001
AO/OTA Treatment	0.767	< 0.001	0.818	< 0.001
Neer Treatment	0.756	< 0.001	0.720	< 0.001
Image Specialist 1		< 0.001		< 0.001
AO / OTA Classification	0.459	< 0.001	0.374	< 0.001
Neer Classification	0.410	< 0.001	0.386	< 0.001
Image Specialist 2		< 0.001
AO / OTA Classification	0.429	< 0.001	0.578	< 0.001
Neer Classification	0.447	< 0.001	0.455	< 0.001

N = 75

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ISSN: 1754-9493

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