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Determinants of Cancer-specific Quality of Life in Veteran Lung Cancer Survivors Eligible for Long-Term Cure

bioRxiv, ISSN: 2692-8205
2019
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Article Description

Rationale/Objective Quality of life (QoL) is an important issue in lung cancer survivors. We aimed to identify determinants of QoL in lung cancer survivors eligible for long-term cure. Methods We performed an exploratory analysis of a cross-sectional study of consecutive lung cancer survivors who completed curative-intent treatment ≥1 month previously. Variables tested included demographic, clinical, physiologic, and symptom-specific patient-reported outcome measures. We defined the primary outcome as a previously-validated cancer-specific QoL measure – the European Organization for Research and Treatment of Cancer QoL Questionnaire Core 30 (C30) summary score. We also verified our findings with the C30 global health status/QoL subscale and a summated score of lung cancer-specific QoL from the EORTC-Lung Cancer Module 13. Results In 75 enrolled participants, measures of fatigue, depression, sleep difficulties, and dyspnea were statistically significant determinants of the C30 summary score in multivariable linear regression analyses. Together, these four symptoms accounted for approximately 85% of the variance in cancer-specific QoL (p<0.001). When we verified our findings with global QoL and lung cancer-specific QoL, fatigue and dyspnea were consistent determinants of QoL. Conclusions We found four symptoms – dyspnea, fatigue, depression, and sleep difficulties – that are important determinants of and together accounted for almost all of the variance in cancer-specific QoL in lung cancer survivors eligible for long-term cure. These findings have implications to reduce symptom burden and improve function and QoL in these patients.

Bibliographic Details

Duc Ha; Andrew L. Ries; Jeffrey J. Swigris

Cold Spring Harbor Laboratory

Biochemistry, Genetics and Molecular Biology; Agricultural and Biological Sciences; Immunology and Microbiology; Neuroscience; Pharmacology, Toxicology and Pharmaceutics

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