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Blood pressure to height ratio: A novel method for detecting hypertension in paediatric age groups

Xiaofan Guo1, Liqiang Zheng2, Yang Li1

  • 1Department of Cardiology, the First Hospital of China Medical University; Shenyang, People's Republic of China.

Paediatrics & Child Health
|January 15, 2014
PubMed

Insights

Blood pressure to height ratios offer a practical method for identifying elevated blood pressure in children and adolescents. This approach demonstrates high accuracy in detecting hypertension in younger populations.

Area of Science:

  • Pediatric Cardiology
  • Public Health
  • Biometrics

Background:

  • A novel method using blood pressure to height ratios (SBPHR and DBPHR) has been developed for hypertension detection in pediatric age groups.
  • This method utilizes ratios of systolic blood pressure to height (SBPHR) and diastolic blood pressure to height (DBPHR).

Purpose of the Study:

  • To validate the novel blood pressure to height ratio method for hypertension detection.
  • To assess the applicability and accuracy of these ratios in children and adolescents.

Main Methods:

  • A cross-sectional study involving 6837 children and adolescents aged 5 to 18 years.
  • Blood pressure readings were stratified using United States population-based percentiles.
  • Receiver Operating Characteristic (ROC) curve analysis was used to evaluate performance.

Main Results:

  • SBPHR and DBPHR demonstrated high diagnostic accuracy (Area Under Curve >0.9) for blood pressure at or above the 95th percentile.
  • The method showed high sensitivity and specificity (>95%) for detecting elevated blood pressure in adolescents (13-18 years), comparable to previous studies.
  • Performance was satisfactory for children aged 5-12 years, though slightly lower for blood pressure between the 90th and 95th percentiles.

Conclusions:

  • Blood pressure to height ratios are a practical and effective tool for detecting elevated blood pressure in pediatric populations.
  • The SBPHR and DBPHR methods show significant promise for routine screening of hypertension in children and adolescents.
Abstract

Keywords:
AdolescentsBlood pressure to height ratioChildrenHypertensionPrehypertension

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