Table 3. Statistical analysis of our data using suggested mean apparent diffusion coefficient (ADC) cut-off values from the literature.
| Authors | b-values (s mm2) applied in study | Suggested cut-off mean ADC value (×10−3 mm2 s−1) | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Accuracy (%) |
| Kilickesmez et al [28] | 0, 500, 1000 | 1.05 | 60.1 | 100 | 100 | 66.7 | 78 |
| Fujii et al [24] | 0, 1000 | 1.15 | 73.9 | 100 | 100 | 75 | 85.4 |
| Takeuchi et al [30] | 0, 800 | 1.2 | 78.3 | 100 | 100 | 78.3 | 87.8 |
| This study | 0, 50, 100, 250, 500, 750 (n = 35)* | 1.28 | 87 | 100 | 100 | 85.7 | 92.7 |
PPV, positive predictive value; NPV, negative predictive value. *b-values of 0, 225, 451, 676, 901 s mm2 in n = 6 patients and b-values of 0, 1000 s mm2 in n = 2 patients.