Role of conventional ultrasound and shear wave elastography of median nerve in diagnosis and differentiation of carpal tunnel syndrome severity in correlation with electrodiagnostic studies

Egyptian Journal of Radiology and Nuclear Medicine

Table 5 Diagnostic performance and cutoff values of study parameters

	AUC	Cutoff	Sensitivity (%)	Specificity (%)	P value	95% Confidence interval
Median nerve CSA	0.899	≥ 9.8	87.1	83.9	.001	0.823–0.974
Delta CSA	0.942	≥ 2.65	90.3	83.9	.001	0.889–0.995
Wrist/forearm ratio	0.888	≥ 1.35	93.5	71	.001	0.809–0.968
Shear wave at wrist (Kpa)	0.998	≥ 51	100.0	96.8	.001	0.992–1