Key result
Daytime ambulatory systolic BP measures ~15 mmHg lower than auscultatory office BP, widening at higher levels.
Why the study?
Previous studies reported differences in blood pressure according to measurement methods, but data in the Korean population were scarce.
Do different blood pressure measurement methods result in significant BP differences and affect hypertension phenotype assessment in a Korean population?
Population
183 individuals (mean 55.9 years; 51.4% males) in Korea
Comparison
Office BP (ausAOBP, aAOBP, aUAOBP) vs out-of-office BP (home BP and ambulatory BP)
Design
Prospective cross-sectional study
Follow-up
Measurements taken within one week of each other
Authors
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Office BP may overestimate ambulatory values and misclassify phenotypes; leaves open method-specific thresholds for Korean cohorts.
Cross-Sectional (n=183)
No
Do different blood pressure measurement methods result in significant BP differences and affect hypertension phenotype assessment in a Korean population?
Mean Difference: 15 (95% CI 12.8–17.3)
Absolute Event Rate: 129.3% vs 141.2%
p-value: p=<0.001
There is a large disparity between office BP and out-of-office BP measurements, which becomes more pronounced at higher BP levels, highlighting the need for multiple measurement methods to accurately assess BP status.
Kim et al. (2023) conducted a cross-sectional in Hypertension (n=183). Daytime ambulatory blood pressure (ABP) vs. Auscultatory attended office blood pressure (ausAOBP) was evaluated on Mean systolic blood pressure difference between ausAOBP and daytime ABP (MD 15.0 mmHg, 95% CI 12.8-17.3, p=<0.001). Daytime ambulatory systolic blood pressure was significantly lower than auscultatory attended office blood pressure by a mean difference of 15.0 mmHg, with disparities becoming more pronounced at higher blood pressure levels.
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