Evidence map›Paper›PMID 39494588›Full record

ArticleJournal of the American Heart Association2024

Incidence and Outcomes After Out-of-Hospital Cardiac Arrest at Train Stations in Denmark.

Annam Pervez Sheikh, Anne Juul Grabmayr, Julie Samsøe Kjølbye, Annette Kjær Ersbøll, Carolina Malta Hansen, Fredrik Folke

Abstract read
In one paragraph

Article in Journal of the American Heart Association, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
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

1 citing paper in PubMed.

  1. Characteristics of sudden cardiac arrest during endurance racing: a decade of the Paris registry.Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology · 2026
    Article
4 · The record

Corrections and comments

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

5 · Who and what money

Authors and funding

6 authors.

Annam Pervez SheikhCopenhagen University Hospital-Emergency Medical Services Capital Region of Denmark Copenhagen Denmark.ORCID 0009-0003-5133-5820
Anne Juul GrabmayrCopenhagen University Hospital-Emergency Medical Services Capital Region of Denmark Copenhagen Denmark.ORCID 0000-0003-2366-3416
Julie Samsøe KjølbyeCopenhagen University Hospital-Emergency Medical Services Capital Region of Denmark Copenhagen Denmark.
Annette Kjær ErsbøllCopenhagen University Hospital-Emergency Medical Services Capital Region of Denmark Copenhagen Denmark.ORCID 0000-0002-9407-3387
Carolina Malta HansenCopenhagen University Hospital-Emergency Medical Services Capital Region of Denmark Copenhagen Denmark.ORCID 0000-0002-8074-7731
Fredrik FolkeCopenhagen University Hospital-Emergency Medical Services Capital Region of Denmark Copenhagen Denmark.ORCID 0000-0002-2284-7857

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundFollowing international guidelines, communities have deployed automated external defibrillators at train stations without substantive evidence. METHODS AND

resultsWe geocoded public out-of-hospital cardiac arrests (OHCAs) (2016-2020), automated external defibrillators, and train stations. The stations were divided into the following groups according to passenger flow: 1 (0-499), 2 (500-4999), 3 (5000-9999), and 4 (>10 000) passengers per day. Risk ratios (RRs) were calculated using Poisson regression of rates, and odds ratios (ORs) were analyzed through logistic regression. OHCAs at train stations accounted for 102 (2.3%) of 4467 public OHCAs. The incidence rate (IR) and RR for OHCAs were for group 1: IR, 0.02 OHCA per station per year, RR, 1.0 (reference); group 2: IR, 0.07, RR, 4.1 (95% CI, 2.3-7.3); group 3: IR, 0.25, RR, 12.7 (95% CI, 6.2-25.9); and group 4: IR, 0.34, RR, 16.3 (95% CI, 8.6-30.9). Compared with other public OHCAs, OHCAs at train stations were just as likely to receive bystander cardiopulmonary resuscitation (OR, 1.13 [95% CI, 0.60-2.12]). However, they had higher odds of bystander defibrillation (OR, 1.66 [95% CI, 1.06-2.58]), were more likely to achieve return of spontaneous circulation (OR, 1.88 [95% CI, 1.24-2.85]), and survive 30 days (OR, 2.37 [95% CI, 1.57-3.59]).

conclusionsThe incidence of OHCAs at train stations was associated with passenger flow, with the busiest stations having a 16-fold higher risk of OHCAs than the lowest. OHCAs at train stations had better outcomes compared with other public OHCAs.

Indexed as

Cardiopulmonary ResuscitationDefibrillatorsOut-of-Hospital Cardiac ArrestAgedDenmarkElectric CountershockFemaleHumansIncidenceMaleMiddle AgedRailroadsRisk FactorsTime FactorsTreatment Outcomeautomated external defibrillationcardiopulmonary resuscitationdefibrillationout‐of‐hospital cardiac arrestsudden cardiac deathtrain station

Identifiers

PMID39494588
PMCPMC11935703

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LicenceCC BY-NC
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Registered trials

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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.