Table 5.

Analysis of the ROC curves of the CSA, AGA and GIA

	AUC	Cutoff	Youden index	Sensitivity	Specificity‌	95% CI
CSA	0.700	30.67°	0.536	0.636	0.9	(0.560, 0.840)
AGA	0.796	42.04°	0.634	0.667	0.967	(0.676, 0.916)
GIA	0.755	83.98°	0.418	0.6	0.818	(0.637, 0.872)

CSA critical shoulder angle, AGA acromioglenoid angle, GIA glenoid inclination angle