Zimmerman, Jack E The use of benchmarking to identify top performing critical care units: a preliminary assessment of their policies and practices. [electronic resource] - Journal of critical care Jun 2003 - 76-86 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0883-9441 Standard No.: 10.1053/jcrc.2003.50005 doi Subjects--Topical Terms: APACHEBenchmarking--methodsCohort StudiesHospital MortalityHumansIntensive Care Units--organization & administrationLength of Stay--statistics & numerical dataProgressive Patient CareRetrospective Studies