BMC Musculoskeletal Disorders

Table 2 Interobserver reliability ICC of both methods in terms of angular and translational errors

From: Navigation-assisted suture anchor insertion for arthroscopic rotator cuff repair

Conventional
angular error	Investigator 2		Investigator 3		Investigator 4		Investigator 5
Investigator 1	0.405	fair	0.715	substantial	0.045	slight agreement	0.010	slight agreement
Investigator 2			0.732	substantial	0.725	substantial	0.615	substantial
Investigator 3					0.577	moderate	0.167	slight agreement
Investigator 4							0.436	moderate
translational error	Investigator 2		Investigator 3		Investigator 4		Investigator 5
Investigator 1	0.756	substantial	0.761	substantial	0.898	almost perfect	−0.396	slight agreement
Investigator 2			0.722	substantial	0.800	substantial	−0.873	slight agreement
Investigator 3					0.878	almost perfect	−0.580	slight agreement
Investigator 4							−0.607	slight agreement
NAS
angular error	Investigator 2		Investigator 3		Investigator 4		Investigator 5
Investigator 1	0.883	almost perfect	1.000	almost perfect	0.742	substantial	0.879	almost perfect
Investigator 2			0.883	almost perfect	0.864	almost perfect	0.979	almost perfect
Investigator 3					0.742	substantial	0.890	almost perfect
Investigator 4							0.773	substantial
translational error	Investigator 2		Investigator 3		Investigator 4		Investigator 5
Investigator 1	0.839	almost perfect	0.762	substantial	0.806	substantial	0.902	almost perfect
Investigator 2			0.769	substantial	0.668	substantial	0.934	almost perfect
Investigator 3					0.477	moderate	0.757	substantial
Investigator 4							0.879	almost perfect

0–0.2 slight agreement
0.21–0.4 fair
0.41–0.6 moderate
0.61–0.8 substantial
0.81–100 almost perfect

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ISSN: 1471-2474

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