Key result
The AlwaysBP smartphone software estimated systolic and diastolic blood pressure with mean differences of 1.2 ± 7.1 mmHg and -1.0 ± 6.0 mmHg, respectively, compared to standard cuff measurements.
Why the study?
Although several mobile applications measuring blood pressure have been developed, data regarding their accuracy are limited.
Does the AlwaysBP smartphone software accurately measure blood pressure compared to standard cuff-based manual measurement in adults?
Population
85 participants aged 19 to 70 years at a single hospital
Comparison
AlwaysBP smartphone application vs standard cuff-based manual brachial BP measurement
Design
Validation study
Follow-up
Up to 4 weeks in 15 subjects
Authors
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Supports smartphone BP app evaluation; leaves open prospective validation before clinical adoption.
Observational (n=85)
No
Does the AlwaysBP smartphone software accurately measure blood pressure compared to standard cuff-based manual measurement in adults?
Mean Difference: 1.2
Absolute Event Rate: 120% vs 118.7%
The AlwaysBP smartphone application demonstrated acceptable accuracy for measuring systolic and diastolic blood pressure compared to standard manual cuff-based methods.
Yoon et al. (2022) conducted an observational in Blood pressure measurement (n=85). AlwaysBP smartphone software vs. Standard cuff-based manual method of brachial BP measurement was evaluated on Accuracy of systolic blood pressure (SBP) measurement compared with the reference method (MD 1.2). The AlwaysBP smartphone software estimated systolic and diastolic blood pressure with mean differences of 1.2 ± 7.1 mmHg and -1.0 ± 6.0 mmHg, respectively, compared to standard cuff measurements.
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