APACHE II
(Acute Physiology And Chronic Health Evaluation)
Temperature (°C)

 
Mean Arterial Pressure (mmHg)
 

 
Heart Rate

 
Respiratory Rate

 

If FIO2 >= 0,5 : (A-a) O2
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If FIO2 < 0,5 : PaO2

 
If no A.B.Gs :
Serum HCO3-(mmol/L)

 
Arterial pH

 
Serum Sodium (mmol/L)

 
Serum Potassium (mmol/L)

 
Serum Creatinine
With Acute Renal Failure

 
Serum Creatinine
Without Acute Renal Failure

 
Ht (%)

 
W.B.C (x103/ mm3 )

 
Glasgow Coma Score
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Age

 
Apache II

 
Chronic Organ Insufficiency
(Help) immuno-compromised

 
 
Predicted death rate

 

 

 Logit = -3,517+( Apache II) * 0,146
Predicted Death Rate =eLogit/(1+eLogit)

 
Predicted death rate (Adjusted)
 
 

 

 Logit = -3,517+( Apache II) * 0,146 + Diagnostic category weight
Predicted Death Rate =eLogit/(1+eLogit)
Diagnostic category weight (y)= (a point for decimals)
Nonoperative
 y
Postoperative patients
 y
y (if emergency)
Respiratory failure or insufficiency from: Multiple trauma -1.684
-1.081
Asthma / allergy
 -2.108 Admission due to chronic cardiovascular disease -1.376
-0.773
COPD
 -0.367 Peripheral vascular surgery -1.315
-0.712
Pulmonary edema (noncardiogenic)
 -0.251 Heart valve surgery -1.261
-0.658
Postrespiratory arrest
 -0.168

Craniotomy for neoplasm

 -1.245
-0.642
Aspiration / poisoning / Toxic
 -0.142 Renal surgery for neoplasm -1.204
-0.601
Pulmonary embolus
 -0.128 Renal Transplant -1.042
-0.439
Infection
 0 Head trauma -0.955
-0.352
Neoplasm
 0.891 Thoracic surgery for neoplasm -0.802
-0.199
Cardiovascular failure or insufficiency from : Craniotomy for ICH/ SDH/ SAH -0.788
-0.185
Hypertension
 -1.798 Laminectomy and other spinal cord surgery -0.699
-0.096
Rythm disturbance
 -1.368 Hemorrhagic shock -0.682
-0.079
Congestive heart failure.
 -0.424 GI Bleeding -0.617
-0.014
Hemorrhagic shock / hypovolemia
 0.493 GI surgery for neoplasm -0.248
0.355
Coronary artery disease
 -0.191 Respiratory insufficiency -0.140
0.463
Sepsis
 0.113 GI perforation / obstruction 0.060
0.663
Post cardiac arrest
 0.393 If not in one of the above, wich major vital organ system led to ICU admission post surgery
Cardiogenic shock
 -0.259 Neurologic -1.150
-0.574
Dissecting thoracic / abdomina aneurysm
 0.731 Cardiovascular -0.797
-0.194
Trauma Respiratory -0.610
-0.007
Multiple trauma
 - 1.228 Gastro-intestinal -0.613
-0.01
Head injury
 -0.517 Metabolic / renal -0.196
0.407
Neurologic      
Seizure disorder
 -0.584      
ICH/ SDH/ SAH
 0.723      
Other      
Drug overdose
 -3.353      
Diabetic ketoacidosis
 -1.507      
GI Bleeding
 0.334      
If not in one of the groups above, wich major organ system was the principal reason for admission:      
Metabolic / renal
 -0.885      
Respiratory
 -0.890      
Neurologic
 -0.759      
Cardiovascular
 0.470      
Gastrointestinal
 0.501      
 

Ref : Knaus WA et al. APACHE II : A severity of disease classification system. Crit Care Med. 1985;13:818-29.