Table 4.
Classification performance of dpADC and of ADC
| Thresholda | False Detections | Se | Sp | PPV | Ac | |
|---|---|---|---|---|---|---|
| dpADC0.5 | 1.50 | 24 [18b+6b] | 92.9 | 79.5 | 81.4 | 86.1 |
| dpADC0.6 | 1.54 | 25 [19+6] | 92.9 | 78.4 | 80.6 | 85.5 |
| dpADC0.2 | 1.29 | 26 [14+12] | 85.9 | 84.1 | 83.9 | 85.0 |
| dpADC0.3 | 1.33 | 26 [14+12] | 85.9 | 84.1 | 83.9 | 85.0 |
| dpADC0.4 | 1.44 | 26 [18+8] | 90.6 | 79.5 | 81.1 | 85.0 |
| dpADC0.1 | 1.35 | 28 [10+18] | 88.2 | 79.5 | 80.6 | 83.8 |
| ADC | 1.61 | 29 [24+5] | 94.1 | 72.7 | 76.9 | 83.2 |
| dpADC0.7 | 1.53 | 29 [12+17] | 85.9 | 80.7 | 81.1 | 83.2 |
| dpADC0 | 1.13 | 30 [19+11] | 77.6 | 87.5 | 85.7 | 82.7 |
| dpADC0.8 | 1.40 | 33 [18+15] | 78.8 | 83.0 | 81.7 | 80.9 |
| dpADC0.9 | 1.42 | 35 [21+14] | 75.3 | 84.1 | 82.1 | 79.8 |
| dpADC1.0 | 1.47 | 37 [21+16] | 75.3 | 81.8 | 80 | 78.6 |
a
In 10−3 mm2/s
b
Number of false positives and cNumber of false negatives
ADC: apparent diffusion coefficient; dpADC: dual-phase ADC; Se: sensitivity; Sp: specificity; PPV: positive predictive value; Ac: accuracy