Table I

Clinical Prediction Rules for the Use of Abdominal Computed Tomography in Trauma

RuleDescription
Grieshop et al22 (applicable to patients with a Glasgow Coma Scale score > 10)Abnormal physical examination; or 1 or more of the following risk factors:
Chest injury (any Abbreviated Injury Score grade)
Gross hematuria
Mackersie et al21
Presence of 1 or more of the following:Arterial base deficit > 3 mmol/L
Major chest injury (multiple fractured ribs, fractured sternum, flail chest, fractured scapula, crushed chest)
Hypotension (systolic blood pressure < 90 mm Hg)
Pelvic fracture