Original research
Elite athletes with COVID-19 — Predictors of the course of disease

https://doi.org/10.1016/j.jsams.2021.07.003Get rights and content
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open access

Abstract

Objectives

The aim of the study was to identify predictors determining the course of COVID-19 and antibody response in elite athletes.

Design

Observational study.

Methods

Routine medical screening with physical examination, resting ECG, and laboratory tests including antibody response was performed 12–68 days after the diagnosis of COVID-19 in 111 athletes of different sports.

Results

Clinical symptoms were observed in 84% of subjects. The severity of COVID-19 was mild in 82% of athletes and moderate in 2% of cases. Athletes aged above 26 and male were more likely to develop symptomatic COVID-19. Asymptomatic subjects were younger and predominantly female. In 18% of subjects, symptoms were still present 20 (12–68) days (median and range) since positive diagnosis. Antibody response was observed in 88% of athletes, and its magnitude correlated with time since diagnosis of COVID-19 (RT-PCR), fatigue, fever, and conjunctivitis. There were no differences in antibody response between groups distinguished by sports discipline (p = 0.50), and sex (p = 0.59), and antibody response did not correlate with BMI (p = 0.12), age (p = 0.13), the number of symptoms (p = 0.43) or their duration (p = 0.19).

Conclusions

The severity of COVID-19 in elite athletes is predominantly mild and without complications. Athletes can return to sport after two symptom-free weeks and additional heart screening is usually not required. Determination of antibodies has been shown to be a useful indicator of a previous COVID-19 disease, and some symptoms can be used as predictors of antibody response.

Keywords

Sport
COI
SARS-CoV-2
Antibody response
Return to sport
Exercise

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