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Factors associated with altered quality of life among lung cancer patients (Preliminary study)

Introduction: Quality of life (QoL) has become a major concern in thoracic oncology. The aim of this study was to evaluate QoL in patients with lung cancer and determine the main factors associated with its deterioration. Methods: QLQ-C30 is a 30-item questionnaire that describes symptoms and 5 functional scales including : physical, psychological, cognitive functioning and life roles. A high score for a functional scale or for the global health status or QoL represents a high level of functioning and quality of life but the opposite for the symptom scale. EQ-5D-3L describes 5 dimensions and global health state. Results: 95 patients with a mean age of 58.8 ± 9 were enrolled in the study. Most were men (91.6%) with stage IV (54.7%), IIIB (25.2%). Adenocarcinoma was predominant (48.4%). For the over all quality of life, results were comparable :56.8% of patients had a score ≤ 50 and therefore an impaired quality of life according to QLQ-C30 and 51.6% according to EQ-5D-3L. The most frequent factors associated with altered quality of life were limitation in life roles (29.5%), emotional functioning (24.2%) and physical functioning (23.2%). Major symptoms associated with an impaired quality of life were fatigue (26.3%), appetite loss (26.3%) and pain (22.1%). A statistically significant association was observed between impaired quality of life and impact on physical, emotional, cognitive functioning and life roles as well as a higher symptom score (fatigue, appetite loss and pain) (P Conclusion: This study demonstrates that quality of life is altered among lung cancer patients . An earlier implementation of palliative care is crucial.