• Am J Public Health · Mar 1997

    Weak associations between hospital mortality rates for individual diagnoses: implications for profiling hospital quality.

    • G E Rosenthal.
    • Department of Medicine, Cleveland Veterans Affairs Medical Center, OH 44106, USA.
    • Am J Public Health. 1997 Mar 1;87(3):429-33.

    ObjectivesThis study examined the consistency of hospital mortality rates across different diagnoses.MethodsStandardized mortality ratios for patients discharged in 1991 from US hospitals were determined via the Medicare Hospital Information Report.ResultsCorrelations between standardized mortality ratios for different diagnoses were relatively weak, ranging from .03 to .34. Agreement between hospital rankings (based on standardized mortality ratios), as measured by the weighted kappa statistic, was also weak.ConclusionsThe present results indicate that hospital mortality rates for individual diagnoses are weakly associated. Thus, it may not be valid to generalize conclusions about hospital performance from a single diagnosis.

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