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Investigation of the validity and reliability of the Turkish version of the Functional Assessment of Cancer Therapy—Cognitive Function in cancer patients

Published online by Cambridge University Press:  02 September 2021

Songül Atasavun Uysal Open the ORCID record for Songül Atasavun Uysal [Opens in a new window] ,
Vesile Yildiz Kabak Open the ORCID record for Vesile Yildiz Kabak [Opens in a new window] ,
Yusuf Karakas Open the ORCID record for Yusuf Karakas [Opens in a new window] ,
Erdem Karabulut Open the ORCID record for Erdem Karabulut [Opens in a new window] ,
Deniz Erdan Kocamaz Open the ORCID record for Deniz Erdan Kocamaz [Opens in a new window] ,
İlke Keser Open the ORCID record for İlke Keser [Opens in a new window] ,
Kadirhan Özdemir Open the ORCID record for Kadirhan Özdemir [Opens in a new window]  and
Tülin Düger Open the ORCID record for Tülin Düger [Opens in a new window]
Songül Atasavun Uysal*
Affiliation:
Faculty of Physical Therapy and Rehabilitation, Hacettepe University, Ankara, Turkey
Vesile Yildiz Kabak
Affiliation:
Faculty of Physical Therapy and Rehabilitation, Hacettepe University, Ankara, Turkey
Yusuf Karakas
Affiliation:
Medical Oncology Clinic, Acibadem Bodrum Hospital, Mugla, Turkey
Erdem Karabulut
Affiliation:
Department of Biostatistics, Faculty of Medicine, Hacettepe University, Ankara, Turkey
Deniz Erdan Kocamaz
Affiliation:
Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Hasan Kalyoncu University, Gaziantep, Turkey
İlke Keser
Affiliation:
Department of Physical Therapy and Rehabilitation, Faculty of Health Sciences, Gazi University, Ankara, Turkey
Kadirhan Özdemir
Affiliation:
Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Bakircay University, Izmir, Turkey
Tülin Düger
Affiliation:
Faculty of Physical Therapy and Rehabilitation, Hacettepe University, Ankara, Turkey
*
Author for correspondence: Songül Atasavun Uysal, Faculty of Physical Therapy and Rehabilitation, Hacettepe University, Ankara, Turkey. E-mail: songula@hacettepe.edu.tr
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Abstract

Objective

The Functional Assessment of Cancer Therapy—Cognitive Function (FACT-Cog) is a questionnaire that is used to evaluate the quality of life and cognitive functions according to individual self-reports. The aim of this study was to investigate the validity and reliability of the Turkish version of the FACT-Cog.

Methods

Cancer patients who were treated with chemo or radiotherapy and had a score of 24/30 and more in Mini-Mental State Examination (MMSE) were included in this study. Cognitive functions assessed with the FACT-Cog and the European Organization of Research and Treatment of Cancer Quality of Life Core Questionnaire Core 30: Cognitive Function subscale (EORTC QLQ-CF).

Results

One hundred and forty cancer patients [female = 87 (62.1%), male = 53 (37.9%)] were included. The mean age of the participants was 47.93 ± 11.90 years. The Cronbach's α of the FACT-Cog scale was 0.82. Test–retest intraclass correlation coefficient values of the FACT-Cog questionnaire were varied from 0.855 to 0.954. There were found low correlations between the total score of the FACT-Cog and the MMSE (r = 0.26, p = 0.002), and moderate correlations between the EORTC QLQ-CF subscale and the FACT-Cog (r = −0.43; p < 0.001).

Significance of results

It showed the validity and reliability of the Turkish version of the FACT-Cog questionnaire for cancer patients. It may be beneficial to use this questionnaire for the effects of cancer treatment.

Keywords

Cancer treatmentCognitive functionFunctional assessmentQuality of life
Type
Original Article
Information
Palliative & Supportive Care , Volume 20 , Issue 5 , October 2022 , pp. 694 - 700
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press

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