Mortality prediction model II (MPM II)

Variable	Response	Points
Patient age*
Medical or unscheduled surgical admission?	Yes	1
Medical or unscheduled surgical admission?	No	0
Cardiopulmonary resuscitation prior to admission?	Yes	1
Cardiopulmonary resuscitation prior to admission?	No	0
Coma (Glasgow coma scale 3-5)? (Does not include patients whose coma is due to overdose or who received neuromuscular blocking agents)	Yes	1
	No	0
Heart rate ≥150 bpm?	Yes	1
Heart rate ≥150 bpm?	No	0
Systolic blood pressure ≤90 mmHg?	Yes	1
Systolic blood pressure ≤90 mmHg?	No	0
Mechanical ventilation?	Yes	1
Mechanical ventilation?	No	0
Acute renal failure? (Does not include pre-renal azotemia)	Yes	1
Acute renal failure? (Does not include pre-renal azotemia)	No	0
Cardiac dysrhythmias?	Yes	1
Cardiac dysrhythmias?	No	0
Cerebrovascular accident?	Yes	1
Cerebrovascular accident?	No	0
Intracranial mass effect?	Yes	1
Intracranial mass effect?	No	0
Gastrointestinal bleeding?	Yes	1
Gastrointestinal bleeding?	No	0
Metastatic carcinoma? (Distant metastases only; does not include local lymph node involvement)	Yes	1
	No	0
Cirrhosis?	Yes	1
Cirrhosis?	No	0
Chronic renal insufficiency? (Creatinine >2 mg/dL chronically)	Yes	1
	No	0

* Patient age does not receive points when calculating the severity score; however, it is used in the formula to calculate predicted mortality.

Data from: Lemeshow, S, Teres, D, Klar, J, et al. Mortality probability models (MPM II) based on an international cohort of intensive care unit patients. JAMA 1993; 270:2478.

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Mortality prediction model II (MPM II)