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Table 1 Comparison of variables collected in APACHE II, SAPS II and SOFA scores.

From: Comparison of severity of illness scoring systems for patients with nosocomial bloodstream infection due to Pseudomonas aeruginosa

Variables

APACHE II

SAPS II

SOFA

Physiological values

   

Age, years

X

x

 

Temperature

X

x

 

Mean arterial pressure

X

  

Systolic BP

 

x

 

Vasopressor

  

x

Heart rate

X

x

 

Respiratory rate

X

  

Glasgow Coma Score (GCS)

X

x

x

Urinary output (L/day)

 

x

x**

Laboratory parameters

   

Oxygenation A-aDO 2 or PaO 2

X

  

PaO 2

 

x*

x

Arterial pH

X

  

Serum sodium

X

x

 

Serum potassium

X

x

 

Serum creatinine

X

 

x**

Serum urea level

 

x

 

Hematocrit

X

  

White blood count

X

x

 

Serum HCO 3 - (venous)

only if no ABGs

x

 

Bilirubin level

 

x

x

Platelets

  

x

Chronic diseases/comorbidities

   

Chronic diseases

 

x

 

Chronic health points (APACHE II)/type of admission(SAPS II)

X

x

 
  1. APACHE II score ranges 0–71; SAPS II score ranges 0–146; SOFA score ranges 0–24.
  2. x* If ventilated or continuous pulmonary arterial pressure.
  3. x** Creatinine or urine output.
  4. ABG – Arterial Blood Gas