Document Detail


Validation of a new method developed to measure the height of adult patients in bed.
MedLine Citation:
PMID:  18682595     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We present the performance of a new instrument developed to measure the height of patients in bed (Luft Ruler). METHODS: Standing height was the gold standard measured in 116 hospitalized adults with a stadiometer, compared with measurements from the Luft Ruler and calculated estimates. RESULTS: Using the Luft Ruler in women, men, <60 years old, and >60 years old, the mean difference from the gold standard was, respectively, 1.5 cm (P= .02), 1.3 cm (P= .06), 1.2 cm (P= .07), and 1.6 cm (P= .02); total arm span: 6.7 cm, 7.7 cm, 5.4 cm, and 9.0 cm (P< .01 for all strata); 2x half arm span: 7.8 cm, 10.2 cm, 7.7 cm, and 10.3 cm (P< .01 for all); World Health Organization (WHO) equation: 5.5 cm, 6.2 cm, 4.7 cm, and 6.9 cm (P< .01 for all); and the Hospital de Cl?nicas de Porto Alegre equation: 1.9 cm (P< .01), 2.5 cm (P< .01), 1.1 cm (P= .12), and 3.3 cm (P< .01). The proportion of differences >5 cm was 0.9% (n=1) using the Luft Ruler, 62.9% using total arm span, 71.6% using 2x half arm span, 64.7% using the WHO equation, and 27.6% using the Hospital de Cl?nicas de Porto Alegre equation. CONCLUSIONS: The Luft Ruler was the only method that presented minor mean differences in relation to the gold standard in both gender and age strata. The other estimates are not recommended because of high frequency of relevant errors.
Authors:
Vivian C Luft; Mariur G Beghetto; Stela M J Castro; Elza D de Mello
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Publication Detail:
Type:  Journal Article; Validation Studies    
Journal Detail:
Title:  Nutrition in clinical practice : official publication of the American Society for Parenteral and Enteral Nutrition     Volume:  23     ISSN:  0884-5336     ISO Abbreviation:  Nutr Clin Pract     Publication Date:    2008 Aug-Sep
Date Detail:
Created Date:  2008-08-06     Completed Date:  2009-01-06     Revised Date:  2010-04-29    
Medline Journal Info:
Nlm Unique ID:  8606733     Medline TA:  Nutr Clin Pract     Country:  United States    
Other Details:
Languages:  eng     Pagination:  424-8     Citation Subset:  IM; N    
Affiliation:
Postgraduate Program in Epidemiology at the Federal University of Rio Grande do Sul, Porto Alegre, Brazil. vivi_luft@yahoo.com.br
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MeSH Terms
Descriptor/Qualifier:
Adult
Age Distribution
Aged
Aged, 80 and over
Anthropometry / instrumentation*,  methods*
Arm
Beds*
Body Height*
Body Weights and Measures / instrumentation*,  methods*
Female
Humans
Male
Middle Aged
Observer Variation
Reproducibility of Results
Sex Distribution
Young Adult

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


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