MPM II Mortality Probability Model

Estimate ICU mortality probability at admission and at 24, 48, and 72 hours using the Mortality Probability Model II (MPM II), which uses binary predictor variables.

Weight
Height
Clinical Guidance

BMI is a screening measure of body size, not a direct measure of body fat. The standard WHO categories are underweight (<18.5), normal (18.5–24.9), overweight (25–29.9), and obese (≥30).

BMI can overestimate body fat in athletes with high muscle mass and underestimate it in older adults with low muscle mass. Interpret it alongside waist circumference and clinical context rather than as a standalone diagnosis.

⚕ Clinical Disclaimer: These calculators are for educational and reference purposes only. Always verify results with qualified clinical judgment and current clinical guidelines. Do not use as a sole basis for medical decisions.
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How It Works

Estimate ICU mortality probability at admission and at 24, 48, and 72 hours using the Mortality Probability Model II (MPM II), which uses binary predictor variables

Each component has a specific meaning:

  • Mortality Probability Model II — The mortality probability model ii recorded for the scenario being assessed.

Note: Interpret the mpm ii result against the thresholds and context described above.

How to Use

Enter the Mortality Probability Model II for the scenario you are assessing. Estimate ICU mortality probability at admission and at 24, 48, and 72 hours using the Mortality Probability Model II (MPM II), which uses binary predictor variables. Use the mpm ii result to inform your calculation.

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Frequently Asked Questions