Transcription of Reference Values Types of Reference Ranges
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1 Advanced laboratory MedicinePost- analytic issues : Reference Ranges and InterpretationDaniel J. Fink, MD, MPHD irector, Core LaboratoryNew York Presbyterian HospitalColumbia University Medical CenterOctober 9, 2005 Reference Values A value or set of Values used to interpret a laboratory result The Reference Values can be a single cut-off, a set of cut-offs, or a range of Values containing 95% of the results from a Reference population Reference Values should be determined on a representative sample from the patient population on which the test will be usedReference Values The most common definition of the Reference Range is the range of Values containing the central 95% of the healthy population, the Reference Limits are the Values at and This definition results in 5% of the healthy population being classified as abnormal or posit
1 Advanced Laboratory Medicine Post-Analytic Issues: Reference Ranges and Interpretation Daniel J. Fink, MD, MPH Director, Core Laboratory New York Presbyterian Hospital
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