EVALUATION OF THE VALIDITY AND RELIABILITY OF THE V-PROMIS-29 SCALE IN ASSESSING QUALITY OF LIFE IN CANCER PATIENTS

Thị Hiền Nguyễn, Thị Như Quỳnh Nguyễn, Thị Kim Tuyền Phạm, Tuấn Anh Lê, Văn Cường Nguyễn

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Abstract

Background: Cancer symptoms and side effects of treatment significantly affected patients' physical and mental health. This study evaluated the validity and applicability of the Vietnamese version of the PROMIS-29 scale in assessing the quality of life of cancer patients. Objectives: To assess the validity, reliability of the PROMIS-29 scale and evaluate the quality of life of cancer patients. Methods: The study employed a descriptive cross-sectional design. The PROMIS-29 quality of life scale was used, validated by six oncology experts, and tested on 128 cancer patients from February to May 2024. Results: The Vietnamese version of the PROMIS-29 scale demonstrated item-level content validity index (I-CVI) values of 0.83 or higher, a scale-level content validity index average (S-CVI/Ave) of 0.994 or higher, and a universal agreement (S-CVI/UA) of 0.966 for clarity, comprehensibility, and applicability. The scale's reliability coefficient was 0.928. Quality of life scores were: overall quality of life (126.27), physical function (17.28), social function (17.05), anxiety (5.88), depression (5.16), fatigue (8.5), sleep disturbance (9.39), pain interference (7.3), and pain intensity (2.77). Gender, personal activities, cancer type, cancer stage were related factor patient quality of life. Conclusions: The Vietnamese version of the PROMIS-29 scale has high validity and is suitable for assessing the quality of life of cancer patients in Vietnam. Overall quality of life scores among cancer patients were relatively good, but issues such as fatigue, sleep disturbances, and pain interference require the most attention

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References

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