Is It Reliable to Predict the Outcome of Elderly Patients with Severe Traumatic Brain Injury Using the IMPACT Prognostic Calculator?

The IMPACT prognosis calculator showed just fair discrimination when predicting the outcome of the elderly patients with severe TBI. Management decisions should be made on a case-by-case basis rather than by relying on the predicted risks identified by this model; conservative treatment might be preferable when expected risk of fatal outcome is >90%.