Key result
The Sphygmocorder was as accurate as at least one trained human observer in three validation studies, demonstrating its utility as a substitute for human observers in device validation.
Why the study?
Is the Sphygmocorder as accurate as trained human observers for recording blood pressure in research?
Population
85 subjects with a wide range of blood pressure
Comparison
Sphygmocorder vs Two trained human observers
Authors
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May reduce observer variability in device validation; leaves open broader equivalence across protocols.
Is the Sphygmocorder as accurate as trained human observers for recording blood pressure in research?
The Sphygmocorder provides an accurate, objective, and recordable alternative to human observers for validating blood pressure measuring devices.
Brien et al. (1995) studied wide range of blood pressure (n=85). Sphygmocorder vs. trained human observers was evaluated on accuracy against trained human observer. The Sphygmocorder was as accurate as at least one trained human observer in three validation studies, demonstrating its utility as a substitute for human observers in device validation.
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