Table 3.
Comparative performance of positron emission tomography-magnetic resonance imaging maximum standardized uptake value and minimum apparent diffusion coefficient for lesion detection compared with positron emission tomography-computed tomography reference
Test characteristic | SUVmax > 2.5 | ADCmin < 0.5 mm2/s | ADCmin < 1.0 mm2/s | ADCmin < 1.5 mm2/s |
Accuracy | 100%1 | 61.0% | 68.3% | 58.5% |
Sensitivity | 100% | 28.6% | 70.0% | 100.0% |
Specificity | 100% | 95.0% | 66.7% | 19.0% |
Positive predictive value | 100% | 85.7% | 66.7% | 54.1% |
Indicates statistical significance (P < 0.001, two-tailed McNemar’s test). ADCmin: Minimum apparent diffusion coefficient; SUVmax: Maximum standardized uptake value.