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- Title
Comparison Between an Automated Device and a Manual Mercury Sphygmomanometer in an Epidemiological Survey of Hypertension Prevalence.
- Authors
Lim, Young-Hyo; Choi, Sung Yong; Oh, Kyung Won; Kim, Yuna; Cho, Eun Sil; Choi, Bo Youl; Kim, Yu-Mi; Shin, Jinho
- Abstract
BACKGROUND Automated devices (AD) for measuring blood pressure (BP) are gradually replacing mercury sphygmomanometers (MM) in clinical settings. However, the use of ADs in epidemiological surveys has not been established. We investigated the factors associated with measurement differences when using an MM and an AD. METHODS Two trained observers took three BP measurements in 454 subjects as part of an epidemiological survey, alternately using an MM and an AD. BP measurement difference was defined as BPMM – BPAD. Alarm reactions (ARs) were calculated by subtracting the third systolic BP (SBP) measurement from the first SBP. RESULTS The mean age of subjects was 50.7±15.4 years (n = 454). The mean BPs using the MM and the AD were 119.8±13.9 vs. 119.5±13.6mm Hg in males and 115.0±16.8 vs. 111.6±15.7mm Hg in females for SBP and 77.7±10.4 vs. 74.7±10.4mm Hg in males and 73.2±9.3 vs. 69.9±10.3mm Hg in females for diastolic BP (DBP). Age, gender, arm circumference, and AR were the factors related to the difference. The concordance correlation coefficients for SBP and DBP were 0.8914 (95% confidence interval [CI], 0.8727–0.9102) and 0.8207 (95% CI, 0.7920–0.8494). The kappa values for the diagnosis of hypertension and Joint National Committee 7 BP classification were 0.6538 (0.5436–0.7641) and 0.5703 (0.5055–0.6351), respectively. The diagnostic sensitivity for hypertension was 59.0%. CONCLUSIONS Age, gender, arm circumference, and AR were the factors related to the differences. Despite small differences in the mean values, the agreement and reliability were not good enough to recommend the A&D UA-767PC for adoption in epidemiological surveys of hypertension prevalence.
- Subjects
SPHYGMOMANOMETERS; HYPERTENSION; BLOOD pressure measurement; AGE; ARM circumference
- Publication
American Journal of Hypertension, 2014, Vol 27, Issue 4, p537
- ISSN
0895-7061
- Publication type
Article
- DOI
10.1093/ajh/hpt100