Asian Journal of Transfusion Science
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ORIGINAL ARTICLE
Year : 2018  |  Volume : 12  |  Issue : 2  |  Page : 123-126

Intra- and inter-model reliability of Hemocue Hb 201+ and HemoCue Hb 301 devices


1 Department of Immunohematology and Blood Transfusion, Himalayan Institute of Medical Sciences, SRHU, Dehradun, Uttarakhand, India
2 Department of Pathology and Laboratory Medicine, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
3 All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India

Correspondence Address:
Ashish Jain
Department of Immunohematology and Blood Transfusion, Himalayan Institute of Medical Sciences, SRHU, Jolly Grant, Dehradun, Uttarakhand
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ajts.AJTS_119_17

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Aim: The study intended to estimate the intra- and inter-model reliability and agreement between the HemoCue Models 201+ and 301 in a blood bank donor screening setting. Materials and Methods: Venous blood samples from 115 blood donors were analyzed by two Hemocue 201+ instruments and two HemoCue 301 instruments. The Lin's concordance correlation coefficient (CCC) as well as the Bland–Altman limits of agreement was measured. Results: The 95% lower confidence interval (CI) of all the CCCs had a value >0.90. The CCC between instruments belonging to the same model was compared to instruments belonging to different models. The mean of HemoCue 301 was higher than HemoCue 201+ by 3.04 g/L with the 95% CI of the differences (i.e., the limits of agreement) between the two models ranging from −3.35 to 9.44 g/L. The bias between two instruments was lesser, and the limits of agreement were even narrower between instruments belonging to the same model. Conclusion: The inter-instrument reliability and agreement are satisfactory in a blood bank setting.


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2006 - Asian Journal of Transfusion Science | Published by Wolters Kluwer - Medknow
Online since 10th November, 2006