A positive trend, however, provides evidence that the SATS is able to discriminate well between successive acuity levels and supports its validity.
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Is the South African Triage Scale valid for use in Afghanistan, Haiti and Sierra Leone?
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The sentences
The rationale for using ED outcomes as a reference standard for this validation was based on the logic that (1) moving incrementally from low to high acuity levels (‘green’ to ‘red’), the SATS would demonstrate an increasing trend in the likelihood of mortality and hospitalisation; (2) SATS triaged ‘routine’ (green) patients should not die or require hospitalisation; and (3) SATS triaged ‘emergency’ (red) patients would require hospitalisation or may die.