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identification of "outlier" and discrimination and calibration hospitals, OBSTETRICS & GYNECOLOGY of statistical models were the main outcome measures. of adminis¬ Part ofthe Principal Findings: discriminatory power trative statistical models resulted from the of miscoding postopera¬ Assessment of Perinatal Quality Regionalization tive as comorbidities. Removal of these complications complications Multivariate 1991-1993 Illinois, by Analysis: led deterioration in = .78 to = .71 to the model's C index (from C C and C .73). assessments consider¬ Also, provider performance changed To (1) those elements in the infrastructure of a Objective: identify when of care were from comorbidi¬ ably complications distinguished network that have effects on the regionalized perinatal independent ties. The addition of a of clinical data elements couple considerably in variation units (member perinatal mortality among nontertiary fit of the administrative models. a clinical model improved Further, if in level I and II and (2) a traditional hospitals) shortcomings, any, based on Medicare CABG three patients yielded only outliers, data base that assessment of perinatal impede quality contemporary were identified whereas a clinical model for all CABG eight using pa¬ care. regionalized tients. data 3 Methods: We surveillance for from analyzed perinatal years, If outcomes Conclusions: administrative databases are
JAMA – American Medical Association
Published: Nov 19, 1997
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