From: Dual-energy CT virtual non-calcium: an accurate method for detection of knee osteoarthritis-related edema-like marrow signal intensity
Variable
Reader 1
Reader 2
Area under the ROC curve
0.961 (0.93, 0.99)
0.992 (0.98, 1.00)
Cut-off value
− 41
− 47
Sensitivity (%)
87.8 (74.5, 94.9)
98.0 (87.8, 99.9)
Specificity (%)
99.5 (97.9, 99.9)