Changes in children's cardiorespiratory fitness and body mass index over the course of the COVID-19 pandemic: a 34-month longitudinal study of 331 primary school children.

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.

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.

Who cites it

4 citing papers in PubMed.

1. Inflammatory biomarkers associated with infection-related type I acute respiratory failure.World journal of emergency medicine · 2026
   Article
2. Change and Tracking of Physical Fitness Among Children Aged 5-12 Years: A Systematic Review.Sports (Basel, Switzerland) · 2026
   Review
3. Trends in physical fitness among children and adolescents in Europe: A systematic review and meta-analyses during and after the COVID-19 pandemic.Journal of sport and health science · 2025
   Review
4. SARS-CoV-2 Reinfections and Long COVID in the Post-Omicron Phase of the Pandemic.International journal of molecular sciences · 2023
   Review

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

Authors and funding

3 authors.

Funding

Abstract

PubMed holds no abstract for this paper.

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