Why the study?
There was a paucity of published data assessing the accuracy of fixed-ratio and slope-based algorithms used to derive oscillometric blood pressure in healthy adults and in adults with cardiovascular risk factors.
Do fixed-ratio algorithms provide more accurate oscillometric blood pressure measurements compared to slope-based algorithms in healthy adults and those with cardiovascular risk factors?
Do fixed-ratio algorithms provide more accurate oscillometric blood pressure measurements compared to slope-based algorithms in healthy adults and those with cardiovascular risk factors?
Fixed-ratio algorithms perform better than slope-based algorithms for deriving oscillometric blood pressure, though high between-group variability suggests subject-specific algorithms may be needed.
Fixed-ratio algorithms may yield more accurate oscillometric BP readings; leaves open whether this warrants device algorithm changes in practice.
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Padwal et al. (2018) studied this question.
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