“…61,68,74,81,83,87 Most studies reported discrimination measures, while two studies reported good calibration using the Hosmer-Lemeshow test (p > 0.05) 65,85 and calibration plot (R 2 = 0.799, p < 0.001). 85 Only one study reported reclassification measures. 70 Fifteen studies investigated PPI in comparison with other tools -clinician predicted survival, 17,54,70,73,75,82,86,87 Palliative Prognostic Score, 25,54,56,64,65,73,75,82 Delirium-Palliative Prognostic Score, 56,64,65 PPS, 25,56,75 Prognosis in Palliative Care Study, 65,82 Objective Prognostic Score, 64,73,82 Performance Status-Based PPI, 69,76 Biological Prognostic Score 74 and Chinese Prognostic Scale.…”