Basics of stratifying for severity of illness.
Conventional wisdom suggests that those who assess healthcare processes and outcomes always should stratify cases by severity of illness; however, infection control personnel should analyze each quality assessment tool with and without severity adjustment and determine whether such adjustment in necessary. This article briefly reviews severity adjustments for diseases or procedures involving specific organ systems, as well as those applicable to all diseases, including the commercially available systems. Also discussed is whether and how these various systems for severity adjustment can be compared. Finally, the article will provide selected references for individuals who will use these scoring systems and need more information.
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Hackensack University Medical Center, New Jersey Medical School, Newark, USA.
D003141:Communicable Diseases / Q000145:classification; D015897:Comorbidity; D003953:Diagnosis-Related Groups; D006305:Health Status Indicators; D006331:Heart Diseases / Q000145:classification; D006801:Humans; D009367:Neoplasm Staging; D010043:Outcome and Process Assessment, Health Care / Q000706:statistics & numerical data*; D011379:Prognosis; D018570:Risk Assessment; D012720:Severity of Illness Index