Table 2.
Score | |||||
---|---|---|---|---|---|
McLaughlin [34] | Larson [44] | Schreiber [46] | RTS [47] | FTS07 [47] | |
Design | retrospective | retrospective | retrospective | retrospective | retrospective |
Number of patients | 302 | 1,124 | 558 | 536 | 536 |
396* | |||||
Setting | military, single center, non-weighted, dichotomous, sum predictors | military, multicenter, non-weighted, sum of predictors | military, two center, non-weighted, individual predictive variables | military, multicenter, weighted, integers, prediction formula | military, multicenter, weighted |
Systolic blood pressure, mm Hg | <110 | <110 | into formula | < 100 | |
Heart rate, bpm | >105 | >110 | |||
Respiratory rate, min | into formula | ||||
Hemoglobin, g/dl | ≤11 | ≤11 | |||
Hematocrit, % | <32 | ||||
Base deficit, mmol/1 | ≤6 | ||||
INR | >1.5 | ||||
PH | <7.25 | ||||
Mechanism / type of injury | penetrating | ||||
GCS | into formula | <8 | |||
AUROC | 0.839 | 0.804 | 0.638 | 0.618 | |
0.747* |
AUROC = Area under the receiver operator curve; GCS = Glasgow Coma Scale; INR = international normalized ratio; RTS = revised trauma score; FTS07 = modified field triage score.
Independent interal validation.