Content validity of the Comprehensive ICF Core Set for Chronic Obstructive Pulmonary Diseases: an international delphi survey

Jobst, A., Kirchberger, I., Cieza, A., Stucki, G. and Stucki, A. (2013) Content validity of the Comprehensive ICF Core Set for Chronic Obstructive Pulmonary Diseases: an international delphi survey. The Open Respiratory Medicine Journal, 7, 33-45. (doi:10.2174/1874306401307010033). (PMID:23730367)

Abstract

Introduction:
The “Comprehensive ICF Core Set for Chronic Obstructive Pulmonary Diseases (COPD)“ is an application of the International Classification of Functioning, Disability and Health (ICF) and represents the typical spectrum of problems in functioning of patients with COPD. The objective of this study was to validate this ICF Core Set from the perspective of physicians.

Materials and Methodology:
Physicians experienced in COPD treatment were asked about the patients’ problems treated by physicians in patients with COPD in a three-round electronic mail survey using the Delphi technique. Responses were linked to the ICF.

Results:
Seventy-six physicians in 44 countries gave a total of 1330 responses that were linked to 148 different ICF categories. Nine ICF categories were not represented in the Comprehensive ICF Core Set for COPD although at least 75% of the participants have rated them as important. Nineteen concepts were linked to the not yet developed ICF component personal factors and seventeen concepts were not covered by the ICF.

Conclusion:
The high percentage of ICF categories represented in the ICF Core Set for COPD indicates satisfactory content validity from the perspective of the physicians. However, some issues were raised that were not covered and need to be investigated further.

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