Why the study?
What is the frequency of physical defects and inaccuracy in aneroid sphygmomanometers compared to a standard mercury manometer?
Population
230 aneroid sphygmomanometers
Comparison
Inspection for physical defects and accuracy… vs Standard mercury manometer at five different…
Design
Cross-sectional
Authors
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Over one-third of aneroid devices inaccurate; supports calibration checks but leaves open effects on clinical outcomes.
What is the frequency of physical defects and inaccuracy in aneroid sphygmomanometers compared to a standard mercury manometer?
A significant proportion (34.8%) of aneroid sphygmomanometers are inaccurate, highlighting the need for regular inspection and calibration against a mercury standard.
Richard H. Bailey (1991) studied this question.
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