J Med Assoc Thai 1998; 81 (5):357

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Reference Ranges of Reticulocytes in Adults
Limpanasithikul W Mail, Voravud N , Virochpoka T , Nuchprayoon C

According to the International Committee for Standardization in Haematology (ICSH),
we determined the reference values for reticulocytes using an automated blood cell analyzer
Technicon H*3 RTC in 200 healthy adult blood donors, aged between 17 and 60 years, 100 of
whom were male and I 00 female. The parameters included reticulocyte count, and its corpuscular
indices; mean reticulocyte corpuscular volume (MCVr}, mean reticulocyte corpuscular hemoglobin
concentration (CHCMr}, mean reticulocyte hemoglobin content (CHr), reticulocyte distribution
width (RDWr), reticulocyte hemoglobin distribution width (HDWr) and reticulocyte corpuscular
hemoglobin concentration distribution width (CHDWr). The reference ranges were established by
setting the reference limits at two standard deviations from the arithmetic reference mean.

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