Tiago Pugliese Branco
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Alze Pereira dos Santos Tavares
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Mariana Sarkis Braz
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Mariana Ribeiro Monteiro
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Ana Beatriz Kinupe Abrahao
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11537 Background: Palliative Care Index (PPI) has been proposed to improve the accuracy of survival prediction for advanced cancer patients. The aim of this study is to investigate the feasibility and real-world prognosis survival of oncology inpatients from a Brazilian tertiary hospital using PPI. Methods: Hospitalized advanced cancer patients who have been referred to the Palliative Care Team were enrolled from May 2011 to December 2018. The PPI was collected within 24 hours of the referral by the palliative care physician. Primary endpoint was median overall survival (OS), estimated with the use of the Kaplan–Meier method, in three groups: PPI < 4.0; 4.0 ≤ PPI > 6.0 and PPI ≥ 6.0. Secondary endpoints were OS rate at 3-week for patients with PPI ≥ 6.0, and the most accurate PPI value to predict 6 and 3-week survival, calculated by ROC curve. Results: Total of 1.381 patients were included in this cohort with a median age of 68-year-old, and 51.3% of females. The most frequent primary cancer sites were lung/chest (17,2%), colorectal (14,3%), breast (11,2%), and biliopancreatic (10,9%). Among 454 patients with PPI < 4.0, median OS was 44 days (95% CI: 35,5-52,4); 20 days (95% CI: 15,4-24,5) for 260 patients with 4.0≤ PPI < 6.0 and 8 days (95% CI: 7-8,9) between 655 patients with PPI ≥ 6. Differences in OS among the groups adjusted for primary site, age and gender were significant (p < 0,001). OS rate at 3 weeks for PPI≥ 6.0 was 28.1% (OR 5,39 p < 0.001). PPI value of < 5,5 best predicted 6-week OS (79% sensibility, 55% specificity, AUC 0,714) and the PPI value of ≥ 5,5 predicted 3-week OS (67% sensibility, 73% specificity, AUC 0,753). Conclusions: PPI is feasible and suitable for routine clinical practice to predict survival among Brazilian patients with advanced cancer. In our study, PPI 5.5 seems to be the most accurate value to predict survival within 3 weeks.