APACHE II Scoring System by Diagnosis

Input:

Admit_Dx
Post_Emerg_Surg Yes (.603)

*No (0)
Temp
MAP
HR
RR
A_aPO2
pH_CO2
Na
K
Creat
HCT
WBC
Age
Chronic_Dx
Glasgow_Coma_Scale
Results:

APACHE_Score
Log_Odds_Ratio
Odds_Ratio
Mortality

For postoperative patients admitted to the ICU for sepsis or postarrest, use the corresponding weights for nonoperative patients.

Chronic Health Problems: 1) Biopsy-proved liver cirrhosis 2) New York Heart Association Class IV 3) Severe COPD (eg. Hypercapnia, home O2, pulmonary Hypertension) 4) Chronic dialysis or 5) Immunocompromised

See also the APACHE Score / Mortality Estimator


References

Knaus WA, et al., APACHE II: a severity of disease classification system, Crit Care Med, 1985 Oct;13(10):818-29., PubMed ID number 3928249


APACHE_Score = Temp + MAP + HR + RR + A_aPO2 + pH_CO2 + Na + K + Creat + HCT + WBC + 15 - Glasgow_Coma_Scale + Age + Chronic_Dx
Log_Odds_Ratio = -3.517 + (APACHE_Score * .146) + Post_Emerg_Surg + Admit_Dx
Odds_Ratio = eTo(Log_Odds_Ratio)
Mortality = 100 * Odds_Ratio / ( 1 + Odds_Ratio )

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