ArticleHeliyon2025
A cross-sectional study of laboratory parameters 5-6 months after the first COVID-19 infection.
Article in Heliyon, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
15 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objectives: Despite extensive study of COVID-19 disease, only a few studies also addressed the aftermath of the disease and potential long-term consequences. The aim of this study was to assess COVID-19 resolution through the cross-sectional analysis of an extensive range of haematological and biochemical laboratory parameters and to find potential markers still associated with disease severity 5-6-months post infection. Methods: In this study, we analysed 92 routine biochemical, haematological and immunological parameters in 75 non-vaccinated patients 5-6 months after recorded first time SARS-CoV-2 infection without reinfection. Demographic and disease severity data were obtained through surveys. Results: The majority of analysed parameters were within the normal reference intervals, however, statistically significant correlations with the disease severity were detected in 15 parameters: B lymphocytes, NK cells, interleukin (IL)-12, IL-1β, cortisol, ferritin, SARS-CoV-2 specific IgG and IgM antibodies, Na, Cl, creatinine, alkaline phosphatase, cholesterol, HbA1c and alpha 2 and beta 2 globulin fractions of the proteinogram. Conclusions: Although most observed parameters returned to their normal reference intervals, significant correlations were still observed with disease severity, that could indicate either the pre-infection baseline state which affected disease outcome or minor remaining alterations in function of certain organs, pertaining their stress or damage during the acute phase of the disease.
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