Original Article
A First Step in the Development of an International Self-Report Instrument for Physical Functioning in Palliative Cancer Care: A Systematic Literature Review and an Expert Opinion Evaluation Study

https://doi.org/10.1016/j.jpainsymman.2008.01.011Get rights and content
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Abstract

Decline in physical functioning (PF) in progressive cancer increases risk of psychological problems, dependence, and distress, and it considerably affects quality of life. Despite this, assessment of PF has received little attention. Standardized, internationally endorsed assessment tools are needed that assess activities of relevance to palliative cancer patients from very low to high levels of PF. This study was done in cooperation with the European Association for Palliative Care Research Network. It was initiated to develop a computer-based symptom-assessment tool and aimed to 1) identify relevant existing PF-assessment instruments, 2) extract relevant items and classify them into meaningful subdimensions, and 3) construct unidimensional scales of selected PF domains. A systematic literature review was performed to detect relevant PF items from existing instruments. The International Classification of Functioning and Health was used to decide relevant subdimensions of PF, and expert panels within palliative cancer care were consulted to make decisions on activities to be included. One hundred and thirty-five instruments containing 743 items were included from the literature review. Two relevant PF subdimensions were revealed: Mobility (386 items representing 65 different activities) and Self-Care (143 items representing 30 different activities). The final PF tool consisted of two unidimensional scales: 24 hierarchically ranked Mobility items ranging from turning in bed to running, and 16 non-hierarchically ranked Self-Care items. Further testing of the instrument in a palliative cancer population is needed to develop the final PF instrument.

Key Words

Physical functioning
assessment
self-report
systematic literature review
expert review

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The study was funded by grants from the Norwegian Research Council.

The European Association for Palliative Care (EAPC) Research Network includes Augusto Caraceni, Franco De Conno, Carl Johan Fürst, Geoffrey Hanks, and Lukas Radbruch.