Seasonal variation in haematological and biochemical reference values for healthy young children in The Gambia

J. Okebe, J. Mwesigwa, S.C. Agbla, F. Sanya-Isijola, I. Abubakar, Umberto D'Alessandro, A. Jaye, K. Bojang

    Research output: Contribution to journalA1: Web of Science-article

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    Abstract

    BACKGROUND: Haematological and biochemistry reference values for children are important for interpreting clinical and research results however, differences in demography and environment poses a challenge when comparing results. The study defines reference intervals for haematological and biochemistry parameters and examines the effect of seasonality in malaria transmission. METHODS: Blood samples collected from clinically healthy children, aged 12-59 months, in two surveys during the dry and wet season in the Upper River region of The Gambia were processed and the data analysed to generate reference intervals based on the 2.5(th) and 97.5(th) percentiles of the data. RESULTS: Analysis was based on data from 1141 children with median age of 32 months. The mean values for the total white cell count and differentials; lymphocyte, monocyte and neutrophil decreased with increasing age, were lower in males and higher in the wet season survey. However, platelet values declined with age (p <0.0001). There was no evidence of effect of gender on mean values of AST, ALT, lymphocytes, monocytes, platelets and haemoglobin. CONCLUSION: Mean estimates for haematological and biochemistry reference intervals are affected by age and seasonality in the first five years of life. This consistency is important for harmonisation of reference values for clinical care and interpretation of trial results.
    Original languageEnglish
    JournalBMC Pediatrics
    Volume16
    Pages (from-to)5
    Number of pages8
    ISSN1471-2431
    DOIs
    Publication statusPublished - 2016

    Keywords

    • Protozoal diseases
    • Malaria
    • Plasmodium falciparum
    • Children
    • Hematology
    • Biochemistry
    • Reference values
    • Seasonal variation
    • White blood cell count
    • Lymphocyte count
    • Monocytes
    • Platelets
    • Gambia
    • Africa-West

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