Psychometric Properties of the Barthel Index Used at Intensive Care Unit Discharge

Nair Fritzen dos Reis; Fernanda Cabral Xavier Sarmento Figueiredo; Roberta Rodolfo Mazzali Biscaro; Elizabeth Buss Lunardelli; Rosemeri Maurici

doi:10.4037/ajcc2022732

journal article Jan 01, 2022

Psychometric Properties of the Barthel Index Used at Intensive Care Unit Discharge

Nair Fritzen dos Reis Fernanda Cabral Xavier Sarmento Figueiredo Roberta Rodolfo Mazzali Biscaro Elizabeth Buss Lunardelli Rosemeri Maurici

American Journal of Critical Care Vol. 31 No. 1 pp. 65-72 · AACN Publishing

View at Publisher Save 10.4037/ajcc2022732

Abstract

Background
The Barthel Index, originally developed and validated to assess activities of daily living in patients with neuromuscular disorders, is commonly used in research and clinical practice involving critically ill patients.

Objectives
To evaluate the internal consistency, reliability, measurement error, and construct validity of the Barthel Index used at intensive care unit discharge.

Methods
In this observational study, 2 physiotherapists measured the physical functioning of 122 patients at intensive care unit discharge, using the Barthel Index and other measurement instruments.

Results
The patients had a median (IQR) age of 56 (47-66) years, and 62 patients (51%) were male. The primary reason for intensive care unit admission was sepsis (28 patients [23%]), and 83 patients (68%) were receiving mechanical ventilation. The Cronbach α value indicating internal consistency was 0.81. For interrater reliability, the intraclass correlation coefficient for the total score was 0.98 (95% CI, 0.97-0.98; P &lt; .001) and the κ statistic for the individual items was 0.54 to 0.94. The standard error of measurement was 7.22, the smallest detectable change was 20.01, and the 95% limits of agreement were –10.3 and 11.8. The Barthel Index showed moderate to high correlations with the other physical functioning measurement instruments (ρ = 0.57 to 0.88; P &lt; .001 for all).

Conclusion
The Barthel Index is a reliable and valid instrument for assessing physical functioning at intensive care unit discharge.

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Metrics

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Citations

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References

Details

Published: Jan 01, 2022
Vol/Issue: 31(1)
Pages: 65-72

Authors

N

Nair Fritzen dos Reis

Nair Fritzen dos Reis is a physiotherapist and doctoral student in medical sciences at Santa Catarina Federal University, Florianopolis, Brazil.

F

Fernanda Cabral Xavier Sarmento Figueiredo

Fernanda Cabral Xavier Sarmento Figueiredois a physiotherapist and an MSc in medicine at Santa Catarina Federal University, Florianopolis, Brazil.

R

Roberta Rodolfo Mazzali Biscaro

Roberta Rodolfo Mazzali Biscaro is a physiotherapist and doctoral student in medical sciences at Santa Catarina Federal University.

E

Elizabeth Buss Lunardelli

Elizabeth Buss Lunardelli is a physician and a doctoral student in medical sciences at Santa Catarina Federal University.

R

Rosemeri Maurici

Rosemeri Maurici is a physician and professor in the postgraduate program in medical sciences at Santa Catarina Federal University.

Cite This Article

Nair Fritzen dos Reis, Fernanda Cabral Xavier Sarmento Figueiredo, Roberta Rodolfo Mazzali Biscaro, et al. (2022). Psychometric Properties of the Barthel Index Used at Intensive Care Unit Discharge. American Journal of Critical Care, 31(1), 65-72. https://doi.org/10.4037/ajcc2022732

Psychometric Properties of the Barthel Index Used at Intensive Care Unit Discharge

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