Figure 2: Adjusted odds ratios (ORs) and 95% confidence intervals (CIs) evaluating factors associated with mortality at hospital discharge. Model incorporates study phase and initial (field) revised trauma score as predictors of mortality. Goodness-of-fit: p > 0.20. *Initial assessment of revised trauma score represents value from the scene; if missing, the value from the lead trauma hospital was used. †Time from call received to arrival of crew at patient side.