Reliability and validity of the Brachial Plexus Outcome Measure in children with obstetric brachial plexus palsy

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Zeynep Hosbay1, Safiye Ozkan2, Muberra Tanriverdi1

  • 1Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Bezmialem Vakıf University, Istanbul, Turkey.

Journal of Hand Therapy : Official Journal of the American Society of Hand Therapists
|February 4, 2018
PubMed

Insights

The Turkish Brachial Plexus Outcome Measure (BPOM) scale is a reliable tool for assessing function in children with obstetric brachial plexus palsy (OBPP). This study confirmed its validity and reliability in the Turkish population.

Area of Science:

  • Pediatrics
  • Rehabilitation Medicine
  • Clinical Measurement

Background:

  • Brachial plexus palsy (BPP) significantly impacts children's daily activities and function.
  • Numerous assessment scales exist, but the Brachial Plexus Outcome Measure (BPOM) is a 14-item scale developed in 2012.
  • The BPOM assesses both activity performance and self-evaluation in affected children.

Purpose of the Study:

  • To cross-culturally translate the BPOM scale into Turkish.
  • To evaluate the psychometric properties of the Turkish version of the BPOM scale.
  • To establish the validity and reliability of the Turkish BPOM for assessing children with obstetric brachial plexus palsy (OBPP).

Main Methods:

  • Standard cross-cultural translation procedures were employed for the BPOM scale.
  • Psychometric evaluations were conducted on 48 children diagnosed with OBPP.
  • Reliability was assessed using internal consistency (Cronbach's alpha) and test-retest reliability.
  • Concurrent construct validity was determined by correlating OBPP scores with the Mallet classification system.

Main Results:

  • The study included 48 children (37.5% girls, 62% boys) with a mean age of 8.7 years.
  • Cronbach's alpha coefficients ranged from 0.89 to 0.96, with an overall scale value of 0.938, indicating high internal consistency.
  • Test-retest reliability was found to be high, and moderate correlations were observed between different measures.

Conclusions:

  • The Turkish translation of the BPOM scale demonstrates high test-retest reliability.
  • The scale exhibits moderate correlations with other relevant measures, supporting its validity.
  • The Turkish BPOM scale is a valid and reliable instrument for assessing functional outcomes in Turkish children with OBPP.
Abstract

Keywords:
Brachial plexusOutcome measureReliabilityValidity

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