Patient characteristics, costs, and outcomes.

Data are presented as means (95% confidence intervals) unless otherwise indicated.

Abbreviated injury severity scores are provided for patients with documented injuries involving the head/neck (n = 946), face (n = 335), chest (n = 528), abdomen/pelvis (n = 345), extremities (n = 417), and external (n = 238) body regions.

SOFA (Sequential Organ Failure Assessment) score calculated at 07:00 on first day of admission to the ICU.

APACHE, Acute Physiology and Chronic Health Evaluation; TISS, Therapeutic Intervention Scoring System.