Longitudinal description of the disability rating scale for individuals in the national institute on disability and rehabilitation research traumatic brain injury model systems national database

Christopher R. Pretz, James F. Malec, Flora Hammond

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Objective To develop a detailed understanding of temporal change (ie, estimated trajectories) at the individual level as measured by the Disability Rating Scale (DRS). Design Individual growth curve (IGC) analysis of retrospective data obtained from the National Institute on Disability and Rehabilitation Research Traumatic Brain Injury (TBI) Model Systems National Database. Setting Multicenter longitudinal database study. Participants Individuals with TBI (N=8816) participating in the TBI Model Systems National Database project. Interventions Not applicable. Main Outcome Measure DRS. Results The negative exponential consisting of 3 growth parameters (pseudointercept, asymptote, rate) was successfully used to predict trajectory of recovery on the DRS qualified by the following covariates: race, sex, level of education and age at admission, rehabilitation length of stay, and cognitive and motor FIM scores at rehabilitation admission. Based on these results, an interactive tool was developed to allow prediction of the trajectory of recovery for individuals and subgroups with specified characteristics on the selected covariates. Conclusions With the use of IGC analysis, the longitudinal trajectory of recovery on the DRS for individuals sharing common characteristics and traits can be described. This methodology allows researchers and clinicians to predict numerous individual-level trajectories through use of a web-based computer automated interactive tool.

Original languageEnglish
Pages (from-to)2478-2485
Number of pages8
JournalArchives of Physical Medicine and Rehabilitation
Volume94
Issue number12
DOIs
StatePublished - Dec 2013

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Databases
Rehabilitation
Growth
Sex Education
Longitudinal Studies
Length of Stay
Research Personnel
Outcome Assessment (Health Care)
Rehabilitation Research
Traumatic Brain Injury

Keywords

  • Disability Rating Scale
  • Longitudinal studies
  • Rehabilitation
  • Rehabilitation outcome
  • Traumatic brain injuries

ASJC Scopus subject areas

  • Rehabilitation
  • Physical Therapy, Sports Therapy and Rehabilitation

Cite this

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abstract = "Objective To develop a detailed understanding of temporal change (ie, estimated trajectories) at the individual level as measured by the Disability Rating Scale (DRS). Design Individual growth curve (IGC) analysis of retrospective data obtained from the National Institute on Disability and Rehabilitation Research Traumatic Brain Injury (TBI) Model Systems National Database. Setting Multicenter longitudinal database study. Participants Individuals with TBI (N=8816) participating in the TBI Model Systems National Database project. Interventions Not applicable. Main Outcome Measure DRS. Results The negative exponential consisting of 3 growth parameters (pseudointercept, asymptote, rate) was successfully used to predict trajectory of recovery on the DRS qualified by the following covariates: race, sex, level of education and age at admission, rehabilitation length of stay, and cognitive and motor FIM scores at rehabilitation admission. Based on these results, an interactive tool was developed to allow prediction of the trajectory of recovery for individuals and subgroups with specified characteristics on the selected covariates. Conclusions With the use of IGC analysis, the longitudinal trajectory of recovery on the DRS for individuals sharing common characteristics and traits can be described. This methodology allows researchers and clinicians to predict numerous individual-level trajectories through use of a web-based computer automated interactive tool.",
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