Figure 3From: Prehospital trauma care reduces mortality. Ten-year results from a time-cohort and trauma audit study in IraqMortality rate variations by the three time cohorts. The estimates are given with 95% confidence interval bars and demonstrate significant reductions in mortality for Multiple Major and Critical Area injuries (injuries to the head, neck, or torso). The mortality rate in burns increased from period 2 to period 3.Back to article page