ID

28667

Beskrivning

The MPM II - 24hrs estimates the probabaility of hospital mortality at 24 hours in the intensive care unit. Reference: Lemeshow, S., Teres, D., Klar, J., Avrunin, J. S., Gehlbach, S. H., & Rapoport, J. (1993). Mortality Probability Models (MPM II) based on an international cohort of intensive care unit patients. Jama, 270(20), 2478-2486.

Nyckelord

  1. 2018-01-06 2018-01-06 -
  2. 2018-01-25 2018-01-25 -
Rättsinnehavare

Lemeshow, S.; Teres, D.; Klar, J.; Avrunin, J. S.; Gehlbach, S. H.; Rapoport, J.

Uppladdad den

25 januari 2018

DOI

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Licens

Creative Commons BY-NC 3.0

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MPM II - 24hrs

MPM II - 24hrs

  1. StudyEvent: ODM
    1. MPM II - 24hrs
Variables Ascertained at Admission
Beskrivning

Variables Ascertained at Admission

Age
Beskrivning

beta = 0.03268. Patient's age at last birthday.

Datatyp

integer

Måttenheter
  • YEARS
Alias
UMLS CUI [1]
C0001779
YEARS
Cirrhosis
Beskrivning

beta = 1.08745. Yes If history of heavy alcohol use with portal hypertension and varices, other causes with evidence of portal hypertension and varices, or biopsy confirmation.

Datatyp

integer

Alias
UMLS CUI [1]
C0023890
Intracranial mass effect
Beskrivning

beta = 0.91314. Intracranial mass (abscess, tumor, hemorrhage, subdural) as identified by CT or other scan associated with any of the following: (1) mldllne shift, (2) obliteration or distortion of cerebral ventricles, (3) gross hemorrhage in cerebral ventricles or subarachnold space, (4) visible mass >4 cm, or (5) any mass that enhances with contrast media; if the mass effect is known within 1 h of ICU admission, it can be indicated as yes; CT scanning is not mandated and is only indicated for patients with major neurological insult.

Datatyp

integer

Alias
UMLS CUI [1]
C0270614
Metastatic neoplasm
Beskrivning

beta = 1.16109. For example, stage IV cancer; excludes regional nodes; mark yes if métastases obvious by clinical assessment or confirmed by a pathology report; mark no If It Is not obvious and has to be confirmed by a pathology report that is not available at the time of ICU admission; acute hematologic malignancies are considered in this category; chronic leukemia Is considered only if there are findings attributable to the disease or the patient is under active treatment for the leukemia; findings include sepsis, anemia, stroke caused by clumping of white blood cells, tumor lysis syndrome (increased uric acid as the result of chemotherapy), pulmonary edema including lymphangiectatic form of ARDS

Datatyp

integer

Alias
UMLS CUI [1]
C2939420
Medical or unscheduled surgery admission
Beskrivning

beta = 0.83404. This question should be answered yes except for (1) elective-surgery (ie, surgery scheduled at least 24 h in advance) patients and (2) preoperative Swan-Ganz insertion if elective-surgery patient.

Datatyp

integer

Alias
UMLS CUI [1]
C1302393
24-h Assessments
Beskrivning

24-h Assessments

Coma or deep stupor at 24 h
Beskrivning

beta = 1.68790. Coma or deep stupor at 24 h, whether or not due to drug overdose. Determination is made at the 24-h mark; for patients taking a paralyzing muscle relaxant, awakening from anesthesia, or heavily sedated, use best judgment of the level of consciousness prior to sedation; the definition for this variable is the same as for "coma or deep stupor" in the MPM0,t but overdose patients still in coma or deep stupor at 24 h are not an exception to the definition. Coma = No response to any stimulation, no twitching, no movement In extremities, no response to pain or command; generally corresponds to a Glasgow Coma Scale of 3. Deep stupor = Exhibits decorticate or decerebrate posturing; posturing is spontaneous or in response to stimulation or deep pain, not in response to commands; generally corresponds to a Glasgow Coma Scale of 4 or 5.

Datatyp

integer

Alias
UMLS CUI [1]
C0009421
Creatinine >176.8 μ/L (2.0 mg/dL)
Beskrivning

beta = 0.72283. Determination applies at any time during the first 24 h.

Datatyp

integer

Alias
UMLS CUI [1]
C0201976
Confirmed infection
Beskrivning

beta = 0.49742. Confirmed admission infection or confirmed new infection; determination applies at any time during the first 24h; yes only If cultures, Gram's stains, or roentgenograms confirm a suspected admission infection or new infection that developed in the first 24 h, or there is evidence of gross purulence; laboratory confirmation (including verbal or fax-type confirmation) must be obtained by the 24-h mark for "confirmed" to be checked; if used to confirm presence of infection, radiological or other imaging evidence must be strongly suggestive.

Datatyp

integer

Alias
UMLS CUI [1]
C0009450
Mechanical ventilation
Beskrivning

beta = 0.80845. Determination applies at any time during the first 24 h.

Datatyp

integer

Alias
UMLS CUI [1]
C0199470
Partial pressure of oxygen (Po2) <7.98 kilopascal (60 mm Hg)
Beskrivning

beta = 0.46677. Determination applies at any time during the first 24 h; Po2 values in the operating room and recovery room should not be considered; does not count transient drop during tracheal suctioning; a sustained drop in pulse oximetry <90% is acceptable evidence of low Po2; record as yes regardless of fraction of inspired oxygen (Fio2).

Datatyp

integer

Alias
UMLS CUI [1]
C0391840
Prothrombin time >3 sec above standard
Beskrivning

beta = 0.55352. Determination applies at any time during the first 24 h.

Datatyp

integer

Alias
UMLS CUI [1]
C0033707
Urine output <150 mL in 8 hrs
Beskrivning

beta = 0.82286. Determination applies to any 8-h period during the first 24 h.

Datatyp

integer

Alias
UMLS CUI [1]
C1287298
Vasoactive drugs ≥1 h intravenously
Beskrivning

beta = 0.71628. Continuous intravenous therapy for 1 h or more; determination applies at any time during the first 24 h; vasoactive drugs include the following: (1) any dose of metaraminol bitartrate, epinephrine, norepinephrine bitartrate, dobutamine, phenylephrine hydrochlorlde, or amrinone; (2) naloxone hydrochloride if used to elevate blood pressure; and (3) dopamine hydrochloride only if >5 μg/kg per min.

Datatyp

integer

Alias
UMLS CUI [1]
C0597639
Probabilitiy of hospital mortality
Beskrivning

Probabilitiy of hospital mortality

Probability of hospital mortality at 24 hrs
Beskrivning

beta0 24 hrs (Constant) = -5.64592. 1. Compute the logit g(x), defined as gi(x)=ßo+ß1x1+ß2x2+...+ßkxk, where ß0 is the constant and ßixi is the estimated coefficient for the ith variable times the value of the ith variable, with i taking on the values from 1 to k, and k being the number of variables in the model. 2. Transform the logit into a probability through the following calculation: Pr(hospital mortality)=[e^g(x) / 1 + e^g(x)].

Datatyp

float

Alias
UMLS CUI [1]
C0220880

Similar models

MPM II - 24hrs

  1. StudyEvent: ODM
    1. MPM II - 24hrs
Name
Typ
Description | Question | Decode (Coded Value)
Datatyp
Alias
Item Group
Variables Ascertained at Admission
Age
Item
Age
integer
C0001779 (UMLS CUI [1])
Item
Cirrhosis
integer
C0023890 (UMLS CUI [1])
Code List
Cirrhosis
CL Item
no (0)
CL Item
yes (1)
Item
Intracranial mass effect
integer
C0270614 (UMLS CUI [1])
Code List
Intracranial mass effect
CL Item
no (0)
CL Item
yes (1)
Item
Metastatic neoplasm
integer
C2939420 (UMLS CUI [1])
Code List
Metastatic neoplasm
CL Item
no (0)
CL Item
yes (1)
Item
Medical or unscheduled surgery admission
integer
C1302393 (UMLS CUI [1])
Code List
Medical or unscheduled surgery admission
CL Item
no (0)
CL Item
yes (1)
Item Group
24-h Assessments
Item
Coma or deep stupor at 24 h
integer
C0009421 (UMLS CUI [1])
Code List
Coma or deep stupor at 24 h
CL Item
no (0)
CL Item
yes (1)
Item
Creatinine >176.8 μ/L (2.0 mg/dL)
integer
C0201976 (UMLS CUI [1])
Code List
Creatinine >176.8 μ/L (2.0 mg/dL)
CL Item
no (0)
CL Item
yes (1)
Item
Confirmed infection
integer
C0009450 (UMLS CUI [1])
Code List
Confirmed infection
CL Item
no (0)
CL Item
yes (1)
Item
Mechanical ventilation
integer
C0199470 (UMLS CUI [1])
Code List
Mechanical ventilation
CL Item
no (0)
CL Item
yes (1)
Item
Partial pressure of oxygen (Po2) <7.98 kilopascal (60 mm Hg)
integer
C0391840 (UMLS CUI [1])
Code List
Partial pressure of oxygen (Po2) <7.98 kilopascal (60 mm Hg)
CL Item
no (0)
CL Item
yes (1)
Item
Prothrombin time >3 sec above standard
integer
C0033707 (UMLS CUI [1])
Code List
Prothrombin time >3 sec above standard
CL Item
no (0)
CL Item
yes (1)
Item
Urine output <150 mL in 8 hrs
integer
C1287298 (UMLS CUI [1])
Code List
Urine output <150 mL in 8 hrs
CL Item
no (0)
CL Item
yes (1)
Item
Vasoactive drugs ≥1 h intravenously
integer
C0597639 (UMLS CUI [1])
Code List
Vasoactive drugs ≥1 h intravenously
CL Item
no (0)
CL Item
yes (1)
Item Group
Probabilitiy of hospital mortality
Probability of mortality 24 hrs
Item
Probability of hospital mortality at 24 hrs
float
C0220880 (UMLS CUI [1])

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