Table 5.
Examiners | Test | Harvey (1991) | Jensen (1993) |
Both Groups | PPV | 0.431 | 0.459 |
NPV | 0.9 | 0.902 | |
+LR | 3.893 | 3.49 | |
-LR | 0.564 | 0.403 | |
Student | PPV | 0.437 | 0.367 |
NPV | 0.898 | 0.936 | |
+LR | 3.71 | 4.23 | |
-LR | 0.54 | 0.337 | |
Practitioner | PPV | 0.423 | 0.454 |
NPV | 0.903 | 0.830 | |
+LR | 4.05 | 2.45 | |
-LR | 0.592 | 0.603 |
PPV = Positive Predictive Value NPV = Negative Predictive Value +LR = Positive Likelihood Ratio -LR = Negative Likelihood Ratio