Surgical Brain Metastases: Management and Outcome Related to Prognostic Indexes: A Critical Review of a Ten-Year Series

Table 3

Average and median survival in patients with brain metastases according to RPA index. Note differences between average and median survival probably due to clinical influencing factors not taken into account.

RPA	Average survival	Median survival
Class I	19.71	10.3
Class II	16.4	8.3
Class III	10.27	3.6