Table 2 SIPA receiver operating characteristic analysis as continuing variable
From: Validation of the age-adjusted shock index for pediatric casualties in Iraq and Afghanistan
Variable | ROC threshold | AUC | Sensitivity | Specificity |
|---|---|---|---|---|
Massive transfusion | ||||
< 1 year (n = 50) | 1.4 | 0.53 | 0.66 | 0.54 |
1–3 years (n = 396) | 1.8 | 0.65 | 0.40 | 0.86 |
4–6 years (n = 576) | 1.4 | 0.68 | 0.52 | 0.77 |
7–12 years (n = 1356) | 1.3 | 0.75 | 0.61 | 0.82 |
13–17 years (n = 767) | 1.1 | 0.76 | 0.62 | 0.80 |
Death | ||||
< 1 year | 1.9 | 0.60 | 0.50 | 0.88 |
1–3 years | 1.6 | 0.61 | 0.53 | 0.70 |
4–6 years | 1.4 | 0.68 | 0.55 | 0.75 |
7–12 years | 1.3 | 0.61 | 0.47 | 0.77 |
13–17 years | 1.0 | 0.66 | 0.68 | 0.64 |