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Using Functional Independence Measure Subscales to Predict Falls-Rapid Assessment.

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Inpatient falls risk can be predicted using early Functional Independence Measure (FIM) subscales. The Toileting and Expression subscales accurately identify patients at high risk for falls during rehabilitation.

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Area of Science:

  • Rehabilitation Medicine
  • Gerontology
  • Patient Safety

Background:

  • Falls are a significant challenge in inpatient rehabilitation settings.
  • Functional Independence Measure (FIM) scores are known predictors of falls risk.
  • Early assessment of falls risk is crucial for timely intervention.

Purpose of the Study:

  • To determine if early FIM subscales can predict falls in rehabilitation patients.
  • To develop a falls risk prediction metric using minimal, early-assessed FIM data.
  • To improve upon existing methods for identifying high-risk individuals.

Main Methods:

  • Retrospective cohort study utilizing two large patient samples (n=1,553 and n=12,301).
  • Selection of FIM subscales assessed earliest during admission, relevant to known falls risk factors.
  • Development and validation of a predictive metric using receiver operating characteristic curves.

Main Results:

  • A combination of the Toileting and Expression FIM subscales demonstrated strong predictive utility for falls.
  • This two-subscale metric performed comparably to the full FIM assessment.
  • The predictive performance exceeded existing falls risk assessment methods.

Conclusions:

  • Early assessment using specific FIM subscales can effectively predict inpatient falls.
  • The Toileting/Expression FIM metric offers a simple, rapid, and accurate method for falls risk assignment.
  • This approach can aid in proactive patient safety management during rehabilitation.