The Dynamic Objective Risk Assessment (DORA) Score uses the PRISM scores for a patient's admission to predict the patient's risk of mortality in the next 24 hours.
If PRISM scores were determined upon admission and during the time in the ICU, then
DORA score =
= (0.154 * (PRISM score from previous day)) + (0.053 * (PRISM score on day of admission to ICU)) - (6.791)
On the second day in the ICU, the previous day and the day of admission are the same. The equation then is:
DORA score =
= (0.160 * (PRISM score on admission)) - (6.427)
probability of mortality within the next 24 hours =
= EXP(DORA score) / (1 + EXP(DORA score))
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