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Updated: Jul 12, 2026

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Assessment of Dependence in Activities of Daily Living Among Older Patients in an Acute Care Unit
Published on: September 30, 2020
[Katz Index on elderly functionality evaluation]
Yeda Aparecida de Oliveira Duarte1, Claudia Laranjeira de Andrade, Maria Lúcia Lebrão
1Departamento de Enfermagem Médico-Cirúrgica da Escola de Enfermagem da USP. yedaenf@usp.br
Revista Da Escola De Enfermagem Da U S P
|August 29, 2007
Summary
The Index of Activities of Daily Living (ADL) is crucial for evaluating elders. This paper clarifies its history and correct use to standardize functional assessment in gerontology research.
Area of Science:
- Gerontology
- Geriatric Medicine
- Rehabilitation Science
Context:
- The increasing elderly population necessitates reliable functional evaluation tools.
- Existing literature shows variations in the Index of Activities of Daily Living (ADL) usage.
- Standardization is needed for comparative analysis across studies and diverse populations.
Purpose:
- To provide a historical overview of the Index of Activities of Daily Living (ADL).
- To detail the evolution and correct application of Sidney Katz's ADL Index.
- To document authorized adaptations and changes to the ADL Index over time.
Summary:
- This paper traces the development and evolution of Sidney Katz's Index of Independency in the Daily Living (ADL).
- It addresses the proliferation of modified ADL versions, which complicates consistent research application.
- The study aims to establish a standardized understanding and use of the ADL Index.
Impact:
- Facilitates accurate and comparable functional assessments in the aging population.
- Aids researchers and clinicians in the correct utilization of the ADL Index.
- Contributes to the standardization of gerontological research data for improved insights.
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