Table 7

Breakdown of the physiological variables with contribution to the APACHE II score

Physiological variablePoints range
Age0–6
Temperature0–4
Mean arterial pressure0–4
Heart rate0–4
Respiratory rate0–4
PaO20–4
Arterial pH0–4
Serum sodium0–4
Serum potassium0–4
Serum creatinine0–8
Hematocrit0–4
White blood cell count0–4
Glasgow Coma Scale0–12
Chronic health problems
  1. Cirrhosis of the liver confirmed by biopsy

  2. New York Heart Association Class IV

  3. Severe COPD: hypercapnia, home O2 use, or pulmonary hypertension

  4. Regular dialysis

  5. Immunocompromised

None 0
Emergency procedure 5
  • APACHE II, Acute Physiology and Chronic Health Evaluation II; COPD, chronic obstructive pulmonary disease.