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Are prognostic scores better than clinician judgment? : a prospective study using three models
Article
Context: Several prognostic models such as the Palliative Performance Scale (PPS), Palliative Prognostic Index (PPI), Palliative Prognostic Score (PaP) have been developed to complement clinician's prediction of survival (CPS). However, few studies with large scales have been conducted to show which prognostic tool had better performance than CPS in patients with weeks of survival.
Objectives: We aimed to compare the prognostic performance of the PPS, PPI, PaP, and CPS in inpatients admitted to palliative care units (PCUs).
Methods: This study was part of a multi-center prospective observational study involving patients admitted to PCUs in Japan. We computed their prognostic performance using the area under the receiver operating characteristics curve (AUROC) and calibration plots for 7-, 14-, 30- and 60-day survival.
Results: We included 1896 patients with a median overall survival of 19 days. The AUROC was 73 - 84% for 60-day and 30-day survival, 75 - 84% for 14-day survival, and 80 - 87% for 7-day survival. The calibration plot demonstrated satisfactory agreement between the observational and predictive probability for the four indices in all timeframes. Therefore, all four prognostic indices showed good performance. CPS and PaP consistently had significantly better performance than the PPS and PPI from one-week to two-month timeframes.
Conclusions: The PPS, PPI, PaP, and CPS had relatively good performance in patients admitted to PCUs with weeks of survival. CPS and PaP had significantly better performance than the PPS and PPI. CPS may be sufficient for experienced clinicians while PPS may help to improve prognostic confidence for inexperienced clinicians.
http://dx.doi.org/10.1016/j.jpainsymman.2022.06.008
Voir la revue «JOURNAL OF PAIN AND SYMPTOM MANAGEMENT, 64»
Autres numéros de la revue «JOURNAL OF PAIN AND SYMPTOM MANAGEMENT»
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