Evidence map›Paper›PMID 36253224›Full record

ArticleJournal of science and medicine in sport2022

Vaccine versus infection - COVID-19-related loss of training time in elite athletes.

Jarosław Krzywański, Tomasz Mikulski, Hubert Krysztofiak, Andrzej Pokrywka, Tomasz Sobierajski, Marcel Młyńczak, Aleksandra Piechuta, Ernest Kuchar

Open access · bronzeAbstract read
In one paragraph

Article in Journal of science and medicine in sport, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
3.4field-weighted citation impact, top 6% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

14 citing papers in PubMed, 21 citations in OpenAlex.

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  8. Common Sports Infectious Disease.HSS journal : the musculoskeletal journal of Hospital for Special Surgery · 2023
    Review
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

8 authors at 5 institutions in 1 country.

Jarosław KrzywańskiNational Centre for Sports Medicine, Poland.
Tomasz MikulskiMossakowski Medical Research Institute, Polish Academy of Sciences, Poland.
Hubert KrysztofiakNational Centre for Sports Medicine, Poland; Mossakowski Medical Research Institute, Polish Academy of Sciences, Poland. Electronic address: hkrysztofiak@imdik.pan.pl.
Andrzej PokrywkaNational Centre for Sports Medicine, Poland; Department of Biochemistry and Pharmacogenomics, Medical University of Warsaw, Poland.
Tomasz SobierajskiInstitute of Applied Social Sciences, University of Warsaw, Poland.
Marcel MłyńczakInstitute of Metrology and Biomedical Engineering, Warsaw University of Technology, Poland.
Aleksandra PiechutaNational Centre for Sports Medicine, Poland.
Ernest KucharDepartment of Pediatrics with Clinical Assessment Unit, Medical University of Warsaw, Poland.
Instytut Sportu · PLMedical University of Warsaw · PLPolish Academy of Sciences · PLUniversity of Warsaw · PLWarsaw University of Technology · PL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesTo determine the number of training days lost due to COVID-19 and vaccination against COVID-19 in elite athletes.

designRetrospective cohort study.

methodsThe questionnaire on the impact of vaccination and COVID-19 on training plans was filled out by 1073 elite Polish athletes who underwent routine medical screening between September and December 2021.

resultsCOVID-19 was diagnosed in 421 subjects (39 %), of whom 26 % were asymptomatic. On the 10-point scale, <1 % of athletes had perceived severity of the disease above 8, whereas for 64 % it was 4 or below. Vaccination against COVID-19 was administered in 820 athletes (76 %), and adverse events were observed more frequently after the first dose than the second (69 % vs. 47 %). Influence on training (modified or lost) was declared by 369 of 421 (88 %) COVID-19 athletes, and by 226 of 820 vaccinated athletes (28 %). During the observation period, the average number of lost training days was 8.1 for COVID-19 and 2.6 for vaccination (p < 0.001). The cumulative number of person-days lost due to COVID-19 was 1041 versus 295 after vaccination thus, the average loss ratio was 1041/1073 = 0.97 vs. 295/820 = 0.36, respectively, p < 0.01.

conclusionsAthletes have a considerable loss of training days due to COVID-19. Vaccination against COVID-19 causes significantly smaller and predictable loss. This supports the inclusion of vaccination into prevention policies for athletes whenever they are available.

Indexed as

COVID-19VaccinesAthletesHumansPolicyRetrospective StudiesVaccinesAd26.COV2.SAdverse eventsBNT162b2ImmunizationSARS-CoV-2Sport

Identifiers

PMID36253224
PMCPMC9553966
OpenAlexW4304783016

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.