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Quality of Life Research

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01.03.2012 | Brief Communication

Verification of the psychometric properties of the Japanese version of the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 15 palliative (EORTCQLQ-C15-PAL)

verfasst von: Kikuko Miyazaki, Yoshimi Suzukamo, Kojiro Shimozuma, Takeo Nakayama

Erschienen in: Quality of Life Research | Ausgabe 2/2012

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Abstract

Purpose

We compared Japanese versions of the EORTC QLQ-C15-PAL and QLQ-C30 to assess the utility of the former survey for terminal-phase cancer patients.

Methods

We used QLQ-C30 scores from the survey prior to each patient’s death and extracted QLQ-C15-PAL data. We determined intraclass correlation coefficients (ICCs) of the five QLQ-C15-PAL subscales: physical functioning, emotional functioning, fatigue, nausea and vomiting, and global health status/quality of life (QOL) and assessed equivalent-form reliability. Regression analysis was used to determine the extent to which QLQ-C15-PAL items explained the QLQ-C30 score.

Results

Our study included 32 of 91 cancer patients receiving palliative care who could self-administer the questionnaire. The ICC between the QLQ-C15-PAL and QLQ-C30 scores was 0.93 or higher. The proportion of variance (R-squared) for each subscale was 0.87 or higher.

Conclusion

We examined the validity and reliability of the Japanese version of the QLQ-C15-PAL. We found an 87% or higher chance that the QLQ-C15-PAL could explain the original QLQ-C30 score. Therefore, QLQ-C15-PAL appears to be useful for assessing the QOL of terminal-phase cancer patients.

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Titel: Verification of the psychometric properties of the Japanese version of the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core 15 palliative (EORTCQLQ-C15-PAL)
verfasst von: Kikuko Miyazaki
Yoshimi Suzukamo
Kojiro Shimozuma
Takeo Nakayama
Publikationsdatum: 01.03.2012
Verlag: Springer Netherlands
Erschienen in: Quality of Life Research / Ausgabe 2/2012
Print ISSN: 0962-9343
Elektronische ISSN: 1573-2649
DOI: https://doi.org/10.1007/s11136-011-9939-y

Springer Medizin

Abstract

Purpose

Methods

Results

Conclusion

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