Prognostic model for patients with traumatic bleeding

This prognostic model may be used as an aid to estimate mortality at 28 days in patients with traumatic bleeding.

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Age, years
Hours since injury
Glasgow coma score
Systolic blood pressure
Respiratory rate
Heart rate
Type of injury	Blunt Penetrating

Risk of 28 day mortality -

Online calculator by: Sealed Envelope.

NNT (number needed to treat) for tranexamic acid

Estimation of the number of patients needed to treat with tranexamic acid within 3 hours of injury to save one life.

When the predicted risk of mortality is %, the number needed to treat (NNT) is . That is, to save one life you must treat patients with tranexamic acid within 3 hours of injury.

Printable chart to estimate mortality at 28 days at point of care (pdf)