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Comparison of Polar® RS800CX heart rate monitor and electrocardiogram for measuring inter-beat intervals in healthy dogs
Uppsala Univ, Dept Neurosci, Uppsala, Sweden.
Mid Sweden University, Faculty of Human Sciences, Department of Health Sciences. Jämtland Cty Council, Strömsund Hlth Ctr, Strömsund, Sweden.
Evidensia Djurkliniken Gefle, SE-80321 Gävle, Sweden.
e Swedish University of Agricultural Sciences, Uppsala, Sweden.
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2015 (English)In: Physiology and Behavior, ISSN 0031-9384, E-ISSN 1873-507X, Vol. 138, no January, 247-253 p.Article in journal (Refereed) Published
Abstract [en]

The aim of the present study was to assess the criterion validity, relative reliability and level of agreement ofPolar® RS800CX heart rate monitor measuring inter-beat intervals (IBIs), compared to simultaneously recordedelectrocardiogram (ECG) in dogs.Methods: Five continuous minutes of simultaneously recorded IBIs from Polar® RS800CX and Cardiostore ECG in11 adult healthy dogs maintaining standing position were analyzed. Polar® data was statistically compared toECG data to assess for systematic differences between the methods. Three different methods for handling missingIBI data were used. Criterion validities were calculated by intraclass correlation coefficients (ICCs) and corresponding95% confidence intervals (CIs). Relative reliabilities and levels of agreement were calculated by ICCsand the Bland and Altman analysis for repeated measurements per subject.Results: Correlation coefficients between IBI data from ECG and Polar® RS800CX varied between 0.73 and 0.84depending on how missing values were handled. Polar® was over- and underestimating IBI data compared toECG. The mean difference in log transformed (base10) IBI data was 0.8%, and 93.2% of the values were withinthe limits of agreement. Internally excluding three subjects presenting IBI series containing more than 5% erroneousIBIs resulted in ICCs between 0.97 and 0.99. Bland and Altman analysis (n = 8) showed mean differencewas 1.8 ms, and 98.5% of the IBI values were plotted inside limits of agreement.Conclusion: This study showed that Polar® systematically biased recorded IBI series and that it was fundamentalto detect measurement errors. For Polar® RS800CX heart rate monitor to be used interchangeably to ECG, byshowing excellent criterion validity and reliable IBI measures in group and individual samples, only less than5% of artifacts could be accepted.

Place, publisher, year, edition, pages
Elsevier, 2015. Vol. 138, no January, 247-253 p.
Keyword [en]
Behavior, Dogs, Heart rate variability, Physiotherapy, Reliability, Validity
National Category
Health Sciences
Identifiers
URN: urn:nbn:se:miun:diva-23558DOI: 10.1016/j.physbeh.2014.10.034ISI: 000348882900034Scopus ID: 2-s2.0-84910682884OAI: oai:DiVA.org:miun-23558DiVA: diva2:767498
Available from: 2014-12-01 Created: 2014-12-01 Last updated: 2015-03-12Bibliographically approved

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CiteExportLink to record
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