TABLE 2.
Variation in Diagnostic Performance Between Radiologists
| Reviewer | Sensitivity (%) |
Specificity (%) |
AUC | Positive Likelihood Ratio |
Negative Likelihood Ratio |
Odds Ratio |
PPV (%) | NPV (%) |
|---|---|---|---|---|---|---|---|---|
| Radiologist 1a | 89.8 | 59.1 | 0.77 | 2.2 | 0.17 | 12.9 | 88.35 | 62.1 |
| Radiologist 2a | 85.9 | 65.9 | 0.76 | 2.5 | 0.21 | 11.9 | 90.0 | 57.0 |
| Radiologist 3a | 89.1 | 56.8 | 0.75 | 2.1 | 0.19 | 10.8 | 88.0 | 59.6 |
Note—AUC = area under the receiver operating characteristic curve, PPV = positive predictive value, NPV = negative predictive value.
a
Average value between the two readings for each radiologist is reported.