Table 3.
Discrimination of STSS score groupings in predicting death, ICU admission, and need for mechanical ventilation in our study population (n = 62) and the derivation population (n = 3,206)
| STSS score |
Mortality, fraction (percentage) |
Need for ICU |
Need for MV, fraction (percentage) |
||||
|---|---|---|---|---|---|---|---|
| Derivation groupa n = 3,206 |
Study group n = 62 |
Derivation groupa, fraction (percentage) |
Study group, fraction (percentage) |
Study bed days, median (range) | Derivation groupa | Study group | |
| 0 | 5/1,144 (0.4) | 0/19 (0) | 61/1,144 (5.3) | 1/19 (5.3) | 4 | 18/1,144 (1.6) | 0/19 (0) |
| 1 | 45/1,257 (3.6) | 0/21 (0) | 124/1,257 (9.9) | 2/21 (9.5) | 3 (2-4) | 37/1,257 (2.9) | 0/21 (0) |
| 2 | 54/617 (8.8) | 2/13 (15.3) | 140/617 (23) | 7/13 (53.8) | 9 (2-46) | 43/617 (7) | 1/13 (7.7) |
| ≥ 3 | 47/188 (25) | 1/9 (11.1) | 68/188 (36) | 8/9 (88.8) | 8 (3-24) | 25/188 (13) | 4/9 (44.4) |
| ROC AUC (95% CI) |
0.8 | Sample too small | 0.7 | 0.88 (0.78-0.98)b |
- | 0.69 | 0.91 (0.83-0.99)b |
aTalmor and colleagues [14]; bFigure 2: Receiver operating characteristic (ROC) curves for Simple Triage Scoring System (STSS) versus intensive care unit (ICU) and STSS versus mechanical ventilation (MV). AUC, area under the curve; CI, confidence interval.