• J Pain Symptom Manage · Nov 2014

    Observational Study

    Combination of initial palliative prognostic index and score change provides a better prognostic value for terminally ill cancer patients: a six-year observational cohort study.

    • Chen-Yi Kao, Yu-Shin Hung, Hung-Ming Wang, Jen-Shi Chen, Tsu-Ling Chin, Ching-Yi Lu, Chuan-Chuan Chi, Ya-Chi Yeh, Jin-Mei Yang, Jung-Hsuan Yen, and Wen-Chi Chou.
    • Division of Hematology-Oncology, Department of Internal Medicine, Taoyuan, Taiwan.
    • J Pain Symptom Manage. 2014 Nov 1;48(5):804-14.

    ContextThe Palliative Prognostic Index (PPI) is among the most popular scores used to predict life expectancy in terminally ill patients worldwide. PPI assessed on the first day of palliative care might be inappropriate because the contribution from subsequent changes in a patient's condition are not taken into account.ObjectivesThe aim of this study is to determine the utility of sequential PPI assessments as a better prognostic tool for patients with terminal cancer.MethodsIn total, 2392 terminally ill cancer patients with initial and one-week PPI assessments under the palliative care consultation service between January 2006 and December 2011 at a single medical center in Taiwan were selected. Patients were categorized into initial PPI, Week 1 PPI, score change (initial PPI - Week 1 PPI; Δscore), and combined initial PPI and Δscore subgroups for survival analysis.ResultsOverall median survival was 32 days (range eight to 180 days), and 2183 patients (91.3%) died within 180 days of palliative care consultation service care. A significant difference in survival was observed among patient subgroups (P < 0.001). Subgroup survival analysis showed significant difference in patients with Δscores >0, 0, and <0 in each prognostic group categorized by initial PPI. The c-statistic for predicting life expectancy <30 days was significantly higher with the combined initial PPI and Δscore (c-statistic, 0.71; 95% CI, 0.694-0.731) than with the initial PPI (c-statistic, 0.63; 95% CI, 0.61-0.65), Week 1 PPI (c-statistic, 0.67; 95% CI, 0.652-0.690), or Δscore (c-statistic, 0.64; 95% CI, 0.62-0.66).ConclusionCombination of initial PPI and score change is more useful than initial PPI for identifying patients with poor outcomes in good prognostic groups and patients with better outcomes in poor prognostic groups.Copyright © 2014 American Academy of Hospice and Palliative Medicine. Published by Elsevier Inc. All rights reserved.

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