Table 4.
Comparison of the predictive values among conventional prognostic scores and laboratory prognostic score
| No. | 1 | 2 | 3 | 4 | 5 | 6 |
| Predicting Model | Objective Prognostic Score (OPS) | Palliative Prognostic Score (PaP Score) | Palliative Prognostic Index (PPI) | Laboratory Prognostic Score (LPS) | ||
| Year | 2010 | 2012 | 1999 | 2012 | 2017 | |
| Author | Suh SY | Maltoni M | Morita T | Maltoni M | Yamada T | Kawai N |
| Country | South Korea | Italy | Japan | Italy | Japan | Japan |
| Number of patients | 185 | 549 | 150 | 549 | 892 | 761 |
| Setting | inpatient | in hospice | in hospice | in hospice | in palliative care unit | in hospice |
| Median survival | 26 days | 22 days | 27 days | 22 days | 25 days | 24 days |
| 30-day survival | nd | nd | nd | nd | nd | 42% |
| 3-week survival | nd | nd | 63% | nd | nd | 57% |
| Score range | 0–8 | 0–17.5 | 0–15.0 | 0–15.0 | 0–15.0 | 0–10 |
| Mortality prediction | 3 weeks | 30 days | 3 weeks | 30 days | 3 weeks | 30 days |
| Cutoff value | OPS: 3 | PaP Score: 5 | PPI: 6.0 | PPI: 4.0 | PPI: 6.0 | LPS: 5 |
| Sensitivity | 75 % | 92 % | 75 % | 85 % | 71 % | 85 % |
| Specificity | 77 % | 58 % | 84 % | 54 % | 67 % | 55 % |
| Positive Predictive Value | 42 % | 76 % | 73 % | 73 % | 63 % | 72 % |
| Negative Predictive Value | 79 % | 82 % | 85 % | 70 % | 75 % | 74 % |
nd: not described