Evaluation of the MPM-0, MPM-24 and MPM-48 together allows a global assessment for the period covered by the individual measures.
Parameters:
(1) probability of mortality from admission MPM as decimal fraction
(2) probability of mortality from MPM at 24 hours as decimal fraction
(3) probability of mortality from MPM at 48 hours as decimal fraction
X =
= (6.3373 * (probability of mortality from admission MPM)) - (5.1914 * ((probability of mortality from admission MPM) - (probability of mortality from 24 hour MPM))) - (3.0546 * ((probability of mortality from 24 hour MPM) - (probability of 48 hour MPM))) - 2.9287
probability of hospital mortality =
= 1 / (1 + EXP((-1) * X))
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