Fig. 2From: Is upfront stereotactic radiosurgery a rational treatment option for very elderly patients with brain metastases? A retrospective analysis of 106 consecutive patients age 80 years and olderOverall survival (OS) results stratified according to independent prognostic factors. KPS ≥ 70 (Hazard ratio (HR): 0.444, P < .001) (a). Controlled primary disease/no extracranial metastases (HR: 0.361, P < .001) (b). Female sex (HR: 0.569, P = 0.028) (c)Back to article page