ArticleClinical research in cardiology : official journal of the German Cardiac Society2020
Effects of surgical and FFP2/N95 face masks on cardiopulmonary exercise capacity: the numbers do not add up.
Article in Clinical research in cardiology : official journal of the German Cardiac Society, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 3 of them syntheses that pooled 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.
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
13 citing papers in PubMed, 3 syntheses or guidelines pooled it.
- Masks and respirators for prevention of respiratory infections: a state of the science review.Clinical microbiology reviews · 2024Pooled it
- Effects of Wearing a Mask During Exercise on Physiological and Psychological Outcomes in Healthy Individuals: A Systematic Review and Meta-Analysis.Sports medicine (Auckland, N.Z.) · 2023Pooled it
- The Impact of Ubiquitous Face Masks and Filtering Face Piece Application During Rest, Work and Exercise on Gas Exchange, Pulmonary Function and Physical Performance: A Systematic Review with Meta-analysis.Sports medicine - open · 2021Pooled it
- Investigating effects of FFP2 wearing during physical activity on gas exchange, metabolism and affective state using a randomized controlled trial.Scientific reports · 2024Trial
- Surgical masks and filtering facepiece class 2 respirators (FFP2) have no major physiological effects at rest and during moderate exercise at 3000-m altitude: a randomised controlled trial.Journal of travel medicine · 2023Trial
- Influence of face masks on the subjective impairment at different physical workloads.Scientific reports · 2023Trial
- Effects of wearing different face masks on cardiopulmonary performance at rest and exercise in a partially double-blinded randomized cross-over study.Scientific reports · 2023Trial
- Friend or foe: Face masks in patients with COPD at high altitude.Physiological reports · 2026Review
- FFP2 induced breathing resistance does not affect metabolism and well-being during brisk walking and stair climbing - a randomized controlled trial.Journal of occupational medicine and toxicology (London, England) · 2024Article
- The effects of face mask specifications on work of breathing and particle filtration efficiency.Medical engineering & physics · 2021Article
- The tiny effects of respiratory masks on physiological, subjective, and behavioral measures under mental load in a randomized controlled trial.Scientific reports · 2021Article
- Intraocular pressure responses to walking with surgical and FFP2/N95 face masks in primary open-angle glaucoma patients.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2021Article
- Exercise testing in COVID-19 era: Clinical profile, results and feasibility wearing a facemask.European journal of clinical investigation · 2021Article
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Authors and funding
5 authors.
Funding
Abstract
PubMed holds no abstract for this paper.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
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.