Fig. 3From: Prognostic effect of factors involved in revised Tokuhashi score system for patients with spinal metastases: a systematic review and Meta-analysisa Forest plots for effect size of performance status (KPS/ ECOG); b Forest plot for effect size of arising of other bone metastasis; c Forest plot for effect size of number of involved vertebrae; d Forest plot for effect size of arising of visceral metastasis; e Forest plot for effect size of neurological status; f Funnel plot after 3 studies were filled by a nonparametric trim and fill method (the diamonds represent studies which were filled)Back to article page