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KMID : 0985420180400010027
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Laboratory Medicine and Quality Assurance
2018 Volume.40 No. 1 p.27 ~ p.37
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Establishing Reference Intervals for Complete Blood Cell Count in Healthy Korean Elderly Individuals
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Lee Eun-Jin
Kim Mi-Young
Lee Eun-Yup
Jeon Ki-Bum
Lee Ji-Won
Kim Han-Sung
Kang Hee-Jung
Lee Young-Kyung
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Abstract
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Background: Different age groups may have different reference intervals. However, the currently used reference interval for complete blood count (CBC) in clinical laboratories is based on results from healthy adults between 20 and 50 years of age. In this study, we aimed to establish reference intervals for 16 CBC parameters in Korean healthy elderly individuals.
Methods: A total of 3,359 healthy adults were selected from 4,253 adults (aged ≥20 years) who underwent regular health check-ups, based on a medical examination by interview. The reference intervals for CBC in two groups (aged ＜60 and ≥60 years), and the partitioning of reference intervals between the two age groups were established.
Results: Most CBC parameters showed no significant differences in reference intervals between the two age groups. Among the men, platelet distribution width (PDW) was the only parameter that required a separate reference interval between the two age groups. Among the women, mean corpuscular volume (MCV), mean corpuscular hemoglobin concentration (MCHC), red cell distribution width (RDW), and eosinophil % required separate reference intervals between the two age groups.
Conclusions: The reference intervals for most CBC parameters were not significantly different between the two age groups. Except for PDW in men and MCV, MCHC, RDW, and eosinophil % in women, reference intervals for CBC parameters in individuals younger than 60 years of age could also be applied to those that are 60 years of age or older.
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KEYWORD
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Complete blood cell count, Elderlies, Reference interval
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