Document Detail

Systolic blood pressure differences among pediatric epidemiological studies.
MedLine Citation:
PMID:  7399638     Owner:  NLM     Status:  MEDLINE    
This report reviews the results of six large blood pressuree surveys done on pediatric populations and points out factors responsible for differences in the blood pressure norms. The studies were selected on the basis of there being recent examinations of large numbers of children. Important differences in mean systolic pressures and 95th percentile values were found among the studies, which may be attributed to: 1) actual differences among the populations; 2) biases due to methodological differences; or 3) increased sampling variability with small sample sizes. Actual differences in pressures among the populations surveyed may be due to differences in geographic location, racial composition, or average body sizes. Discrepancies due to methodological biases may have occurred because of associated venipuncture or exercise stress on the day of the examination; differences in selection of blood pressure cuff sizes; differences in the number of measurements averaged. In several studies, small sample sizes for each age-race-sex subclass accounted for considerable variability of the 95th percentile value. The implication of this analysis is that before the 95th percentile norms for children of different ages, races, and sexes can be more firmly established, it is necessary to collect larger sample sizes controlling for known biasing factors and using a standardized methodology.
D E Fixler; J A Kautz; K Dana
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Hypertension     Volume:  2     ISSN:  0194-911X     ISO Abbreviation:  Hypertension     Publication Date:    1980 Jul-Aug
Date Detail:
Created Date:  1980-10-27     Completed Date:  1980-10-27     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  7906255     Medline TA:  Hypertension     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  I3-7     Citation Subset:  IM    
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MeSH Terms
Blood Pressure*
Blood Pressure Determination / methods
Body Weight
Child, Preschool
Epidemiologic Methods*
Ethnic Groups
Health Surveys*
Physical Exertion
Research Design
Sampling Studies
United States

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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