Table 4.
Diagnostic accuracy of the clinical decision rules
| Decision rule | AUROC using full range of score values 95% CI | Sensitivity at usual or recommended threshold 95% CI n/N | Specificity at usual or recommended threshold 95% CI n/N |
|---|---|---|---|
| Primary consensus |
0.626 0.572–0.681 |
0.609 0.532–0.683 103/169 |
0.585 0.523–0.646 151/258 |
| Sensitive consensus |
0.620 0.566–0.675 |
0.959 0.917–0.983 162/169 |
0.035 0.016–0.065 9/258 |
| Specific consensus |
0.589 0.537–0.642 |
0.361 0.289–0.438 61/169 |
0.783 0.728–0.832 202/258 |
| PERC |
0.621 0.570–0.672 |
0.675 0.598–0.745 114/169 |
0.519 0.457–0.582 134/258 |
| Simplified Revised Geneva |
0.579 0.526–0.632 |
0.444 0.368–0.522 75/169 |
0.636 0.574–0.694 164/258 |
| Well's (permissive)a |
0.577 0.522–0.632 |
0.490 0.410–0.571 77/157 |
0.617 0.553–0.678 153/248 |
| Well's (strict)a |
0.732 0.682–0.782 |
0.376 0.300–0.457 59/157 |
0.895 0.850–0.930 222/248 |
a
Well's criteria were tested using a liberal (permissive) interpretation of clinical diagnosis text to determine whether PE was the most likely or equal most likely diagnosis and a more strict interpretation.