Prospective Validation of Objective Prognostic Score for Advanced Cancer Inpatients in South Korea: A Multicenter Study

Seok Joon Yoon, Sang Yeon Suh, Yong Joo Lee, Jeanno Park, Sunwook Hwang, Sanghee Shiny Lee, Hong Yup Ahn, Su Jin Koh, Keon Uk Park

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Background: Objective Prognostic Score (OPS) was developed as an easy and simple prognosticating tool in South Korea. It has been validated retrospectively in a single center in South Korea. Objective: We aimed to validate the OPS prospectively for advanced cancer inpatients in South Korea using a multicenter study. Design: This was a prospective cohort study. Setting/Subjects: We enrolled 243 advanced cancer patients admitted in five palliative care units in South Korea from May 2013 till March 2015. Seven members of the Korean Palliative Medicine Research Network who are experts of palliative care led the study. Measurements: Clinical variables (dyspnea/anorexia/performance status) and laboratory variables (total leukocyte counts/serum total bilirubin/serum creatinine/lactate dehydrogenase) were collected at the enrollment. Survival time was calculated as days from enrollment to death during admission. Results: A total of 217 patients were included in the final analysis (feasibility: 89.3%). Survival time of the higher OPS group (OPS ≥3) and the lower OPS group (OPS <3) was 10.0 (95% confidence interval (CI) 7.72-12.28) days and 32.0 (95% CI 25.44-38.56) days, respectively. There were significant differences between the 2 groups (p < 0.001). Overall accuracy of OPS ≥3 for predicting survival less than three weeks was 71.0%. Conclusions: OPS was successfully validated using a prospective multicenter study in South Korea. It is a useful method to predict three-week survival of Korean inpatients with advanced cancer.

Original languageEnglish
Pages (from-to)65-68
Number of pages4
JournalJournal of Palliative Medicine
Volume20
Issue number1
DOIs
StatePublished - 1 Jan 2017

Keywords

  • cancer
  • palliative care
  • prognostic score
  • survival
  • validation

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