Evaluation of the diagnostic performance of the simple method of computed tomography in the assessment of patients with shoulder instability: a prospective cohort study

Table 4 Reliability of assessments

Parameters	Overall Clinical examination tests	The traditional radiological images	Computed Tomography
Sample size	145	145	145
Evaluators	Physiotherapists	Orthopedic surgeons	^aEngineers trained in musculoskeletal imaging
Tested Material	Shoulders of subjects	Traditional radiological images	Computed Tomography images
Numbers of evaluators	2	2	2
Numbers of test/images performed	4	1	1
Numbers of test/images analyzed	4	2	2
Tool for decision making	1 × 1 table	Lightbox	CATIA V5R21 software
^bThe method adopted	Apprehension tests	A small bone spur in images	The glenoid ratio method (% missing area ≥ 20%)
kappa value	0.811	0.825	0.891

kappa value ≤0.4 low; 0.41–0.6 moderate; 0.61–0.8 substantial; and ≥ 0.81 perfect inter-and intra-observer reliabilities
^aDiploma course in musculoskeletal imaging assessments in PR. China after MD radiology
^bfor decision making of the Bankart lesion

ISSN: 1471-2342