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 7 Beneficial score analysis of the adopted diagnostic methods for evaluation of the Bankart and bony Bankart lesions

		Decision making of the Bankart and bony Bankart lesions
CP	WF	CT	TRI	WDC	CET
					Ap	Re	Sp	Ad	LS	Hb	CET + TRI
0	0	0.79	0.68	0.6	0.53	0.56	0.6	0.64	0.63	0.61	0.75
0.1	0.11	0.78	0.67	0.58	0.50	0.53	0.59	0.63	0.62	0.60	0.73
0.2	0.25	0.78	0.66	0.55	0.47	0.51	0.57	0.63	0.62	0.59	0.71
0.3	0.43	0.77	0.64	0.51	0.43	0.47	0.54	0.61	0.61	0.58	0.68
0.4	0.67	0.76	0.61	0.47	0.37	0.42	0.51	0.60	0.60	0.57	0.64
0.5	1	0.75	0.58	0.4	0.28	0.35	0.47	0.60	0.59	0.55	0.59
0.6	1.5	0.74	0.53	0.3	0.16	0.24	0.40	0.55	0.57	0.52	0.51
0.7	2.33	0.71	0.44	0.13	−0.05	0.06	0.29	0.50	0.53	0.48	0.38
0.8	4	0.65	0.27	−0.2	−0.46	−0.3	0.08	0.39	0.46	0.39	0.12
0.9	9	0.48	−0.24	−1.2	−1.70	−1.37	− 0.58	0.082	0.26	0.11	−0.67
0.99	99	−2.58	−9.51	−19.2	−24.05	−20.61	−12.37	−5.50	−3.47	−4.86	− 14.82

CP A level of diagnostic confidence above its arthroscopy or opens surgical procedure had performed, WF Weighting factor (risk of overdiagnosis), CT The Computed Tomography, TRI The traditional radiological images, Ap Apprehension test, Re Relocation test, Sp Surprise test, Ad Anterior drawer test, LS Load and shift test, Hb Hyperabduction test, CET Clinical examination tests, CET + TRI Clinical examination tests combining the traditional radiological images, WDC Without diagnosis images or Clinical Examination Tests
\( \mathrm{Weighting}\ \mathrm{factor}=\frac{\mathrm{A}\ \mathrm{level}\ \mathrm{of}\ \mathrm{diagnostic}\ \mathrm{confidence}\ \mathrm{above}\ \mathrm{its}\ \mathrm{arthroscopy}\ \mathrm{or}\ \mathrm{opens}\ \mathrm{surgical}\ \mathrm{procedure}\ \mathrm{had}\ \mathrm{performed}}{1-\mathrm{A}\ \mathrm{level}\ \mathrm{of}\ \mathrm{diagnostic}\ \mathrm{confidence}\ \mathrm{above}\ \mathrm{its}\ \mathrm{arthroscopy}\ \mathrm{or}\ \mathrm{opens}\ \mathrm{surgical}\ \mathrm{procedure}\ \mathrm{had}\ \mathrm{performed}} \)
Decision making of the Bankart and bony Bankart lesions = True positive ratio − (weighting factor × false positive ratio)

ISSN: 1471-2342