**4.8 Prognostic tools in clinical practice**

As mentioned, CPS is the most used method; however, the accuracy is bolstered significantly when used in combination with other more objective tools. The PaP likely has the greatest potential utility however it is unclear why this tool is not used more universally other than lack of familiarity. PPS and CCI are the most broadly used tools in both oncology and palliative care settings and have the most robust data in terms of validity in patients with cancer. Both tools also assist with longer

#### *Supportive and Palliative Care and Quality of Life in Oncology*


#### **Figure 6.**

*Terminal cancer prognostic index.*

term prognostication which is increasingly important as cancer care transitions from anticipated acute mortality to a chronic illness with associated morbidity and mortality.
