Table 2.

RPA classes for brain metastases

Class 1Class 2Class 3
KPS score≥70≥70<70
Primary disease statusControlled systemic diseaseUncontrolled systemic diseaseUncontrolled systemic disease
Age (y)≤65>65>65
Extracranial metastasesNonePresentPresent
  • NOTE: Data from ref. 12.

    Abbreviation: KPS, Karnofsky performance status.