Types of ICU outcome scoring systems

Specific

a. head injury Glasgow coma score

b. burns % + age ~ mortality

c. trauma injury severity score (ISS)

trauma score

d. IHD NYHA / AHA classification

e. pancreatitis Ranson’s scoring criteria

f. liver failure Child’s classification General

1. Anatomical – e.g. Injury Severity Score

• Useful for trauma audits and research

2. Therapeutic – e.g. Therapeutic Intervention Scoring System (TISS)

• Sum of weighted scores of therapeutic interventions

• Correlates well with outcome

• Wide applicability

3. Physiological – e.g. APACHE – Acute physiology and chronic health evaluation

• Designed for quality review rather than prognosis

Specific models

First generation: Second generation

APACHE I APACHE II

SAPS I

MPM I

Third generation Fourth generation

APACHE III APACHE IV

SAPS II SAPS III

MPM II MPM0 III