Table 3.

Receiver operating characteristic curve analysis with optimal cut-off values to differentiate lesions between groups based on strain ratios

Parameter	Radiologist 1			Radiologist 2
	Groups 1–2	Groups 1–3	Groups 2–3	Groups 1–2	Groups 1–3	Groups 2–3
Optimal cut-off (strain ratio)	7.9	6.5	5.3	7.7	6.5	5.2
Area under the curve	0.62	0.98	0.89	0.61	0.98	0.88
Sensitivity (%)	64	86	70	62	86	70
Specificity (%)	55	100	87	55	100	92