Figure 4From: Obese trauma patients are at increased risk of early hypovolemic shock: a retrospective cohort analysis of 1,084 severely injured patientsParameters of resuscitation. (A) Arterial lactate and (B) pH. Error bars indicate the standard error of the mean. *Significant differences between patients with body mass index (BMI) of 18.5 to 24.9 compared with patients with BMI > 30.Back to article page