Fig. 2From: Whole brain radiotherapy (WBRT) for leptomeningeal metastasis from NSCLC in the era of targeted therapy: a retrospective studyKaplan-Meier estimates for LM patients from NSCLC with or without WBRT. a The comparison of OS between overall patients with or without WBRT (P = 0.051); b The comparison of OS between EGFR-mutated patients with or without WBRT (P = 0.490); c The comparison of OS between wild-type EGFR patients with or without WBRT (P = 0.002)Back to article page