Abstract
ObjectiveThe aim of this study was to validate the cachexia staging score (CSS), a multidimensional, item-based diagnostic method of cachexia severity, for patients with advanced cancer receiving palliative care. MethodsEligible patients were those with cancer who received palliative care during hospitalization between May 2019 and April 2020. All data were collected retrospectively from medical records. Cachexia was graded into four levels according to the CSS. Kaplan–Meier curves were constructed with or without death as the outcome, comparing prognoses among different levels of cachexia with Bonferroni correction. Cox proportional hazards regression analysis was performed to identify factors affecting mortality. ResultsThe mean age of the 196 patients was 65.8 ± 14 y. Men made up 42% of the study population. Lower body mass index, increased rate of weight loss, increased strength, assistance walking, rising from a chair, climbing stairs, and falls (SARC-F) points, decline in activities of daily living, appetite loss, and abnormal blood biomarkers were significantly more common with increasing severity of cachexia, and survival was shorter (P < 0.001). The hazard ratio (HR) increased with worsening severity of cachexia according to CSS classification (precachexia: HR, 2.78; 95% confidence interval [CI], 0.62–12.46, P = 0.182; cachexia: HR, 4.77; 95% CI, 1.09–20.80; P = 0.038; and refractory cachexia: HR, 11.00; 95% CI, 2.37–51.07; P = 0.002). ConclusionsThe CSS predicted life expectancy in a population of patients receiving palliative care and had excellent prognostic discriminative power to classify patients at different stages of cachexia.
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