Table 2.
Operative characteristics of original and simplified pulmonary embolism severity index for early all-cause mortality [22].
| Prediction Index |
Validation Cohorts (Patients) |
Sensitivity (95% CI) |
Specificity (95% CI) |
PLR (95% CI) | NLR (95% CI) |
|---|---|---|---|---|---|
| PESI | 19 (23,997) | 0.89 (0.87–0.90) |
0.49 (0.44–0.53) |
1.72 (1.57–1.89) |
0.22 (0.18–0.25) |
| sPESI | 9 (26,610) | 0.92 (0.89–0.94) |
0.38 (0.32–0.44) |
1.47 (1.28–1.68) |
0.20 (0.13–0.31) |
PESI: pulmonary embolism severity index; sPESI: simplified pulmonary embolism severity index; CI: confidence interval; PLR: positive likelihood ratio; NLR: negative likelihood ratio.