Fig. 2From: Adjuvant radiotherapy versus observation following gross total resection for atypical meningioma: a systematic review and meta-analysisa Forest plot comparing the risk of local recurrence between the adjuvant RT cohort and the observation cohort. The risk of local recurrence is higher in the observation cohort. b Cumulative forest plot showing pooled OR of local recurrence according to the publication year. The first row shows the effect based on one study. The second row shows the cumulative effect based on two studies, and so onBack to article page