Sensitivity, specificity, PPV, NPV, and P value for the 3 observers
| Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | P Value | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | S2 | F | S1 | S2 | F | S1 | S2 | F | S1 | S2 | F | S1 | S2 | F | |
| EPI | 33.3 | 38.9 | 44.4 | 100.0 | 100.0 | 87.5 | 100.0 | 100.0 | 80.0 | 57.1 | 59.3 | 58.3 | ≤0.02 | ≤.01 | ≤.05 |
| PROP | 100.0 | 100.0 | 89.5 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 88.9 | ≤0.001 | ≤.001 | ≤.001 |
| T1 | 94.1 | 88.2 | 88.2 | 93.7 | 68.7 | 81.2 | 94.1 | 75.0 | 83.3 | 93.7 | 84.6 | 86.7 | ≤0.001 | ≤.001 | ≤.001 |
Note:—EPI indicates ASSET echo-planar DWI; PROP, PROPELLER DWI; T1, T1-weighted imaging; S1, senior1; S2, senior2; F, fellow; PPV, positive predictive value; NPV, negative predictive value.