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Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools
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Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools

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Functional Status Scale: new pediatric outcome measure.

Murray M Pollack1, Richard Holubkov, Penny Glass

  • 1Phoenix Children's Hospital, 1919 E. Thomas Rd, Phoenix, AZ 85016. mpollack@phoenixchildrens.com.

Pediatrics
|July 1, 2009
PubMed
Summary

The Functional Status Scale (FSS) is a reliable tool for assessing hospitalized children. This quantitative measure is well-suited for large pediatric outcome studies.

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Area of Science:

  • Pediatric critical care medicine
  • Healthcare outcomes research
  • Functional status assessment

Background:

  • Assessing functional status in hospitalized pediatric patients is crucial for outcome studies.
  • Existing measures may lack the quantitative, rapid, and reliable characteristics needed for large-scale research.
  • A well-defined, objective measure is required to evaluate diverse pediatric inpatient populations.

Purpose of the Study:

  • To develop and validate the Functional Status Scale (FSS) as a quantitative outcome measure for hospitalized pediatric patients.
  • To ensure the FSS is rapid, reliable, and minimizes subjective assessments.
  • To establish applicability across various ages and inpatient settings.

Main Methods:

  • The Functional Status Scale (FSS) includes domains for mental, sensory, communication, motor, feeding, and respiratory status, scored 1-5.
  • Construct validity was assessed using the Adaptive Behavior Assessment System II (ABAS II).
  • Data were collected from 836 children across seven institutions, including PICU patients and technology-dependent children, with primary care nurses completing the ABAS II.

Main Results:

  • The study included 836 children with a mean FSS score of 10.3.
  • Significant associations were found between FSS domains and ABAS II scores (P < .0001), with improvements after reweighting.
  • The FSS demonstrated very good discrimination for moderate to severe dysfunction, with high reliability (ICCs 0.95-0.94).

Conclusions:

  • The Functional Status Scale (FSS) successfully meets the objectives for a functional status outcome measure.
  • The FSS is well-defined, quantitative, rapid, and reliable.
  • The FSS is suitable for large-scale pediatric outcome studies across diverse inpatient environments.