Comparison of Objective Prognostic Score and Palliative Prognostic Score performance in inpatients with advanced cancer in Japan and Korea

Yusuke Hiratsuka, Daye Kim, Sang Yeon Suh, Sun Hyun Kim, Seok Joon Yoon, Su Jin Koh, Shin Ae Park, Ji Yeon Seo, Jung Hye Kwon, Jeanno Park, Youngmin Park, Sun Wook Hwang, Eon Sook Lee, Hana Choi, Hong Yup Ahn, Shao Yi Cheng, Ping Jen Chen, Takashi Yamaguchi, Tatsuya Morita, Satoru TsunetoMasanori Mori, Akira Inoue

Research output: Contribution to journalArticlepeer-review

Abstract

Objective Accurate prognostication is important for patients and their families to prepare for the end of life. Objective Prognostic Score (OPS) is an easy-to-use tool that does not require the clinicians' prediction of survival (CPS), whereas Palliative Prognostic Score (PaP) needs CPS. Thus, inexperienced clinicians may hesitate to use PaP. We aimed to evaluate the accuracy of OPS compared with PaP in inpatients in palliative care units (PCUs) in three East Asian countries. Method This study was a secondary analysis of a cross-cultural, multicenter cohort study. We enrolled inpatients with far-advanced cancer in PCUs in Japan, Korea, and Taiwan from 2017 to 2018. We calculated the area under the receiver operating characteristics (AUROC) curve to compare the accuracy of OPS and PaP. Results A total of 1,628 inpatients in 33 PCUs in Japan and Korea were analyzed. OPS and PaP were calculated in 71.7% of the Japanese patients and 80.0% of the Korean patients. In Taiwan, PaP was calculated for 81.6% of the patients. The AUROC for 3-week survival was 0.74 for OPS in Japan, 0.68 for OPS in Korea, 0.80 for PaP in Japan, and 0.73 for PaP in Korea. The AUROC for 30-day survival was 0.70 for OPS in Japan, 0.71 for OPS in Korea, 0.79 for PaP in Japan, and 0.74 for PaP in Korea. Significance of results Both OPS and PaP showed good performance in Japan and Korea. Compared with PaP, OPS could be more useful for inexperienced physicians who hesitate to estimate CPS.

Original languageEnglish
JournalPalliative and Supportive Care
DOIs
Publication statusAccepted/In press - 2021
Externally publishedYes

Keywords

  • Advanced cancer
  • East Asia
  • Objective prognostic score
  • Palliative prognostic score
  • Prognostication

ASJC Scopus subject areas

  • Nursing(all)
  • Clinical Psychology
  • Psychiatry and Mental health

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