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Immunological, haematological, and clinical attributes of rural and urban malaria: a case–control study in Ghana

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Abstract

To compare clinical presentations, haematological and immunological parameters in urban and rural malaria patients. Clinically suspected malaria patients, resident in either rural or urban communities, were selected from seven health facilities in the Greater Accra region of Ghana. For each suspected malaria patient, parasites were detected microscopically and quantified subsequently. In each study site, an equal number of cases and age-matched controls were selected. In both cases and controls, clinical presentations, nutritional status, haematological, and immunological parameters were profiled. A total of 149 malaria patients and 149 nonmalaria controls were selected. Compared to rural dwellers with malaria, parasitaemia was significantly higher in both males and females and in the various age groups in urban dwellers with malaria. Additionally, mean lymphocytes, haemoglobin, haematocrit, mean cell haemoglobin, platelets, and mean platelet volume levels were significantly lower in urban dwellers with malaria. However, TNF-α, IL-6, and IL-12 levels in urban dwellers with malaria were significantly higher, while IL-10, CD4+, CD3+, CD8+ T-cells levels and CD4+/ CD3+ ratio were significantly lower in urban dwellers with malaria. Furthermore, chills, diarrhoea, fever, and pallor were significantly associated with urban dwellers with malaria. This study concluded that urban dwellers are more prone to severe malaria while rural dwellers tend to have more measured immune response against malaria infection, and therefore experienced better controlled inflammatory processes associated with mild form of the disease.

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Data availability

The study data have been deposited at Harvard dataverse (https://doi.org/10.7910/DVN/DMUDQ3).

Abbreviations

ANOVA:

Analysis of variance

BMI:

Body mass index

CD:

Cluster of differentiation

fL:

Femtoliter (equivalent to 1015 L)

GM:

Geometric mean

IL:

Interleukin

MCH:

Mean cell haemoglobin

MCV:

Mean cell volume

RBC:

Red blood cells

TNFα:

Tumor necrosis factor alpha

References

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Funding

This study was funded from the authors own resources.

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Authors and Affiliations

Authors

Contributions

Conceptualization: [DOA, EA], Methodology: [DOA, PA, PA, KOD, EA], Formal analysis and investigation: [DOA, PA, KOD, EA], Writing–original draft preparation: [EA, PA]; Writing–review and editing: [DOA, PA, KOD], Resources: [DOA, PA, PA, KOD, EA], Supervision: [EA].

Corresponding author

Correspondence to Enoch Aninagyei.

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Conflicts of interest

The authors have none to declare.

Consent to participate

Written consent to participate was sought from each participant or relatives or guardians of children below 18 years.

Ethics approval

Ethical approval for the study was obtained from Ghana Health Service Ethical Review Committee (study number: GHS-REC002/03/18).

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Acheampong, D.O., Adu, P., Ampomah, P. et al. Immunological, haematological, and clinical attributes of rural and urban malaria: a case–control study in Ghana. J Parasit Dis 45, 806–816 (2021). https://doi.org/10.1007/s12639-021-01363-4

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  • DOI: https://doi.org/10.1007/s12639-021-01363-4

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