Table 4.
The area under the curve, cut-off values, sensitivity, specificity, negative predictive value, and positive predictive value & pairwise comparison of scoring systems for prediction of ICU admission.
| Outcome | ICU admission | ||
|---|---|---|---|
| Scores | REMS | MEWS | SCS |
| AUC | 0.891 | 0.877 | 0.960 |
| 95% CI of AUC | 0.798 to 0.984 | 0.779 to 0.974 | 0.912 to 1.000 |
| P-value | <0.001a | <0.001a | <0.001a |
| Cut-off | >3 | >4 | >7 |
| Sens (%) | 78.6 | 85.7 | 92.9 |
| Spec (%) | 81.8 | 70.5 | 90.9 |
| PPV (%) | 57.9 | 48.0 | 76.5 |
| NPV (%) | 92.3 | 93.9 | 97.6 |
| Accuracy (%) | 81.0 | 74.1 | 91.4 |
| Pairwise comparisons of AUCs | REMS vs. MEWS = 0.678 REMS vs. SCS = 0.112 MEWS vs. SCS = 0.015a |
||
AUC: area under the curve; ICU: intensive care unit; CI: confidence interval; PPV: positive predictive value; NPV: negative predictive value; REMS: rapid emergency medicine score; SCS: simple clinical score; MEWS: Modified Early Warning Score; P-values are based on the Mann-Whitney test.
aSignificant at p < 0.05.