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Validity of reported data in the out-of-hospital cardiac arrest register in chosen parts in Sweden
Högskolan Dalarna, Medicinsk vetenskap.ORCID iD: 0000-0001-6885-991X
2012 (English)Conference paper, Poster (Refereed)
Resource type
Text
Abstract [en]

Aim: To describe differences and similarities between reported and non reported data in the out-of-hospital cardiac arrest (OHCA) register in Sweden.

Methods: Prospective and retrospective data of treated OHCA patients in Sweden, 2008-2010 were compared in the Swedish OHCA register. Data were investigated in 4 Swedish counties with various recording models. Prospective data are those reported by the ambulance crew and retrospective data those missed by the ambulance crew but discovered afterwards by crosschecking with the local ambulance register.

Result: In 2008-2010, the number of prospective reported cases was n=2398 and retrospective cases n=3198 which indicates a 30% missing rate.

When comparing the two groups, the mean age was higher in patients who were reported retrospectively (69 years versus 67 years; p=0.003). There was no difference between groups with regard to sex, time of day and year of OHCA, witnessed status or initial rhythm.

However, bystander CPR was more frequent among patients in who were reported prospectively (65% versus 60%; p= 0.023) where as survival to 1 month was higher among patients who were reported retrospectively (9,2% versus 11,9%;p=0.035)

 

Conclusion: Among 3198 cases of OHCA in 4 regions in Sweden 800 (30%) were not reported prospectively by the ambulance crew but retrospectively when discovered as missing cases. Patients who were reported retrospectively differed from prospectively reported cases by being older, less frequently receiving bystander CPR but having a higher survival. Our data suggest that patients who suffer OHCA and are prospectively reported to a quality register may be influenced by selection bias.

Place, publisher, year, edition, pages
2012.
National Category
Clinical Medicine
Identifiers
URN: urn:nbn:se:mdh:diva-32757OAI: oai:DiVA.org:mdh-32757DiVA: diva2:955037
Conference
European Resuscitation Council Congress, Vienna, 2012
Available from: 2012-12-07 Created: 2016-08-24 Last updated: 2016-12-21Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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