Comparison of blood pressure levels among four age groups of Chinese children matched by height

Wang, Z., Ma, J., Dong, B., Song, Y., Hu, P. J. and Zhang, B. (2012) Comparison of blood pressure levels among four age groups of Chinese children matched by height. Journal of Human Hypertension, 26 7: 437-442. doi:10.1038/jhh.2011.45

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Author Wang, Z.
Ma, J.
Dong, B.
Song, Y.
Hu, P. J.
Zhang, B.
Title Comparison of blood pressure levels among four age groups of Chinese children matched by height
Journal name Journal of Human Hypertension   Check publisher's open access policy
ISSN 0950-9240
1476-5527
Publication date 2012-07
Year available 2011
Sub-type Article (original research)
DOI 10.1038/jhh.2011.45
Open Access Status
Volume 26
Issue 7
Start page 437
End page 442
Total pages 6
Place of publication London, United Kingdom
Publisher Nature Publishing Group
Collection year 2012
Language eng
Formatted abstract
Hypertension in children is frequently undiagnosed. Normal blood pressure is currently defined as a function of two continuous variables, age and height for each gender. Applying the current cutoff values to assess a child's blood pressure is time consuming. To separate the independent effect of age from that of height on blood pressure, we conducted a multiple group matched study to investigate if blood pressure levels in children with a given height distribution vary with age. An equal number of 2539 Chinese children from each of the four age groups (7, 8, 9 and 10 years) were individually matched by height, sex and geographic region. We used the matching technique to force the four age groups to have an identical height distribution. Systolic and diastolic blood pressures significantly increased with increasing age before matching. After matching, four groups had strikingly similar levels of blood pressures, and the differences among four groups were small and not statistically significant. Once height is taken into consideration, age has little impact on blood pressure. Our findings, if confirmed in children of other ages, suggest that blood pressure percentile charts can be considerably simplified by establishing normal percentiles according to height alone for each gender.
Keyword Children
Blood pressure
Normal percentiles
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online 12 May 2011.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Medicine Publications
 
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Created: Fri, 10 Jun 2011, 13:41:27 EST by Zhiqiang Wang on behalf of Medicine - Royal Brisbane and Women's Hospital