Fig. 5From: Adjuvant radiotherapy versus observation following gross total resection for atypical meningioma: a systematic review and meta-analysisForest plots showing OS at each period of 1-year, 3-year, 5-year, and > 5-year between the adjuvant RT cohort and the observation cohort. There was no significant difference in pooled HR of OS between the two cohortsBack to article page