high mortality outlier

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high mortality outlier2016-12-19T05:40:35+00:00

high mortality outlier


Definition A popular term for a hospital or medical centre identified by a regulatory or oversight body (CMS/HCFA, USA; NHS, UK) as having a mortality rate far in excess of the regional norm for other (±5500) healthcare facilities in the country in which the data is collated. 

Comment Outliers may be due to characteristics of the patient population–e.g., elderly–older than 85, “high-risk” diagnoses or skewing of data by those who require nursing care upon discharge. Mortality rates may thus be of little use in determining patient quality of care. 

References JAMA 1991; 265:1843

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