Systematic Undercoding of Diagnostic Procedures in National Inpatient Sample (NIS): A Threat to Validity Due to Surveillance Bias
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DOI: 10.1097/qmh.0000000000000297
Abstract: Supplemental Digital Content is Available in the Text. Background and Objectives: Health services research often relies on readily available data, originally collected for administrative purposes and used for public reporting and pay-for-performance initiatives. We examined… read more here.
Keywords: diagnostic procedures; sample nis; national inpatient; ultrasound scan ... See more keywords