Evidence map›Paper›PMID 29869467›Full record

ArticleYonsei medical journal2018

Effect of Socioeconomic Status and Underlying Disease on the Association between Ambient Temperature and Ischemic Stroke.

Seong Kyung Cho, Jungwoo Sohn, Jaelim Cho, Juhwan Noh, Kyoung Hwa Ha, Yoon Jung Choi, Sangjoon Pae, Changsoo Kim, Dong Chun Shin

Open access · goldAbstract read
In one paragraph

Article in Yonsei medical journal, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.6field-weighted citation impact, top 33% 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

4 citing papers in PubMed, 13 citations in OpenAlex.

  1. Review
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  3. Indian journal of pharmacology
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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

9 authors at 5 institutions in 2 countries.

Seong Kyung Cho *Department of Preventive Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea.ORCID https://orcid.org/0000-0002-8524-2732
Jungwoo Sohn *Institute of Human Complexity and Systems Science, Yonsei University, Incheon, Korea.ORCID https://orcid.org/0000-0002-5084-8670
Jaelim ChoInstitute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK. chojael@gmail.com.ORCID https://orcid.org/0000-0002-4524-0310
Juhwan NohDepartment of Preventive Medicine, Yonsei University College of Medicine, Seoul, Korea.
Kyoung Hwa HaCardiovascular and Metabolic Disease Etiology Research Center, Ajou University School of Medicine, Suwon, Korea.
Yoon Jung ChoiHealth Insurance and Review Assessment Service, Wonju, Korea.
Sangjoon PaeNational Health Promotion Center, National Health Insurance Service Ilsan Hospital, Goyang, Korea.
Changsoo KimDepartment of Preventive Medicine, Yonsei University College of Medicine, Seoul, Korea.
Dong Chun ShinDepartment of Preventive Medicine, Yonsei University College of Medicine, Seoul, Korea.
Yonsei University · KRAjou University · KRHealth Insurance Review and Assessment Service · KRKing's College London · GBNational Health Insurance Service · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeInconsistent findings have been reported regarding the effect of ambient temperature on ischemic stroke. Furthermore, little is known about how underlying disease and low socioeconomic status influence the association. We, therefore, investigated the relationship between ambient temperature and emergency department (ED) visits for ischemic stroke, and aimed to identify susceptible populations. MATERIALS AND

methodsUsing medical claims data, we identified ED visits for ischemic stroke during 2005-2009 in Seoul, Korea. We conducted piecewise linear regression analyses to find optimum ambient temperature thresholds in summer and winter, and estimated the relative risks (RR) and 95% confidence intervals (CI) per a 1°C increase in temperature above/below the thresholds, adjusting for relative humidity, holidays, day of the week, and air pollutant levels.

resultsThere were 63564 ED visits for ischemic stroke. In summer, the risk of ED visits for ischemic stroke was not significant, with the threshold at 26.8°C. However, the RRs were 1.055 (95% CI, 1.006-1.106) above 25.0°C in medical aid beneficiaries and 1.044 (1.007-1.082) above 25.8°C in patients with diabetes. In winter, the risk of ED visits for ischemic stroke significantly increased as the temperature decreased above the threshold at 7.2°C. This inverse association was significant also in patients with hypertension and diabetes mellitus above threshold temperatures.

conclusionAmbient temperature increases above a threshold were positively associated with ED visits for ischemic stroke in patients with diabetes and medical aid beneficiaries in summer. In winter, temperature, to a point, and ischemic stroke visits were inversely associated.

Indexed as

Social ClassTemperatureAdultAgedAged, 80 and overAir PollutantsAir PollutionBrain IschemiaCardiovascular DiseasesDiabetes MellitusEmergency Service, HospitalFemaleHumansMaleMiddle AgedModels, TheoreticalAir Pollutantscardiovascular diseasesdiabetes mellitusischemic strokeTemperature

Identifiers

PMID29869467
PMCPMC5990672
OpenAlexW2806439984

What OpenQuestion holds

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LicenceCC BY-NC
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.