Frequency of Rh-e Antigen and reference values of Erythrocyte Sedimentation Rate, Red Cell Indices in an Undergraduate Students’ population in Port Harcourt, Nigeria.

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Ransom Baribefii Jacob, Chizarum Boms, Orokwu Eziaku Chukuigwe-Igbere and Nwika, Goodnews Nkabari

AJLHTS: Original Paper  DOI – https://www.ajlhtsonline.org/doi-org-10-59708-ajlhts-v2i3-2327/

Abstract Introduction: Red cell antigens alongside red cell indices provide an essential support to the diagnosis and monitoring of haematological diseases while the erythrocyte sedimentation rate (ESR) indicates and monitor an increase in inflammatory activity within the body. This study aims to determine the frequency of Rh-e antigen and reference values of Erythrocyte Sedimentation Rate, Red cell indices in an undergraduate student’s population in the Rivers State, Port Harcourt, Nigeria. Material and Methods: One hundred and fifty (150) undergraduate students aged between 17-28years were enrolled in the study and standard venipuncture technique used to collect 5ml of blood. Determination of the Rh-e antigen was carried out using anti-e monoclonal antibodies (Lorne Diagnostics UK), Red cell indices obtained using BC 5000 Mindray Haematology Analyser and ESR by Westergren method. Results: Among the 150 subjects, 130 (86.6%) were positive while 20 (13.3%) were negative for Rh-e antigen. The mean±SD of the mean cell volume (MCV), mean cell haemoglobin (MCH), mean cell haemoglobin concentration (MCHC), red cell distribution width co-efficient of variation (RDW-CV), red cell distribution widthstandard deviation (RDW-SD) and erythrocyte sedimentation rate (ESR) were 83.12 ± 10.74, 31.13 ± 3.25, 34.00 ± 3.32, 13.32 ± 1.61, 39.70 ± 2.26 and 30.36 ± 2.15 in the same order, while the reference values were 61.64-104.6 for MCV, 24.63-37.63 for MCH, 27.36–40.64 for MCHC, 10.10–16.54 for RDW (CV), 35.18–44.22 for RDW (SD) and 26.06-34.66 for ESR. Gender had no effect on MCV (p=0.3007) and MCHC (p=0.1436) but significant effect on MCH (p=0.030), RDWCV (p<0.001), RDW-SD (p=0.0005) and ESR (p=0.036) with a perfect positive correlation (r=1) between all the studied parameters.

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