From: Clinical review: Scoring systems in the critically ill
Simple and inexpensive |
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Routinely available in all ICUs |
Reliable (intra and inter-observer) |
Objective (that is, observer independent) |
Specific to the function of the organ in question |
Therapy independent |
Sequential (available at ICU admission or shortly thereafter and then at fixed periods of time) |
Not affected by transient, reversible abnormalities associated with therapeutic or practical interventions |
Reflect acute dysfunction of the organ in question but not chronic dysfunction |
Reproducible in large, heterogeneous groups of ICU patients |
Reproducible in several types of ICUs from different regions of the globe |
Abnormal in one direction only |
Using continuous rather than dichotomous variables |