Validation of the Comprehensive International Classification of Functioning,Disability and Health (ICF) Core Set for Hand Conditions

Abstract

Introduction

The Comprehensive International Classification of Functioning, Disability and Health (ICF) Core Set for Hand Conditions has been developed as a tool to describe functioning in individuals with hand conditions. The purpose of this study was to validate the ICF Core Set in a multicentre study in Germany.

Methods

We conducted a cross-sectional multicentre study involving individuals with various types of hand injuries or disorders from hand trauma units and rehabilitation facilities in Germany. We performed structured patient interviews using the Comprehensive ICF Core Set for Hand Conditions to investigate whether all of its categories are necessary to describe patients' functioning. Patients additionally completed the Disabilities of the Arm, Shoulder and Hand Questionnaire (DASH).

Results

The study sample comprised 260 individuals (65% men) with a mean age of 46 years. Participants had a mean DASH score of 42.7 (22.25 SD) and a median time since injury or diagnosis of 106 days. Most frequent diagnoses were fractures at forearm, wrist and hand level. We identified patients' problems in all ICF categories of the Comprehensive ICF Core Set for Hand Conditions with a prevalence of at least 10%. Two ICF categories were perceived as missing: ‘b4352 – functions of lymphatic vessels’ and ‘b298 – sensory functions and pain, other specified – neuralgia in upper extremity’.

Discussion

The Comprehensive ICF Core Set for Hand Conditions has been validated in this national multicentre study. All of its categories could thereby be confirmed. Further validation is needed, involving different study samples in different countries worldwide.