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Accuracy of shorter respiratory rate measurement times in the pediatric population
This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi:10.1111/ped.14513
Abstract
Background
As one of the vital signs, the respiratory rate is an important index of general health in an initial examination. The duration of respiratory rate measurements is known to influence the results obtained in adults. We examined herein the difference in respiratory rate measurements between two measurement durations in a pediatric population.
Methods
The present, prospective, cross‐sectional study conducted from November 2017 through March 2018 at Tokyo Metropolitan Children’s Medical Center analyzed the differences in the respiratory rate in a 1‐minute group and 30‐second group using the Bland Altman plot.
Results
Ninety‐five patients were enrolled. The median age was 0.99 years, and 50 patients were male. The correlation between the results of the 30‐second and 1‐minute measurement durations was good (r2=0.970, p<0.001; Spearman’s rank correlation). The mean difference between the 30‐second and 1‐minute measurement results was 0.86 (95% confidence interval: 0.27‐1.45)
Conclusion
The shorter measurement duration may result in overestimation of the respiratory rate, especially in young children or children with tachypnea. Nonetheless, the shorter measurement times correlated well with the 1‐minute measurement, and the difference was less than one per minute compared with the 1‐minute measurement. Thus, this method may be able to detect life‐threatening conditions earlier than longer measurement times.
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ADHD MEDS
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