Why the study?
Does an automated sphygmomanometer (BpTRU) provide comparable blood pressure readings to a manual mercury sphygmomanometer in a population survey?
Population
238 individuals (a random 10% sample of 2,551 residents in a blood pressure survey in Ontario)
Comparison
Automated blood pressure recording using the… vs Manual blood pressure recording using a standard…
Design
Cross-sectional, Random order of device use
Authors
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Automated readings modestly lower than manual; supports survey validity but leaves open effects on individual hypertension classification.
Does an automated sphygmomanometer (BpTRU) provide comparable blood pressure readings to a manual mercury sphygmomanometer in a population survey?
Automated BP recorders provide slightly lower but highly correlated readings compared to manual mercury sphygmomanometers, suggesting they are a valid replacement in population surveys.
Myers et al. (2008) studied this question.
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