Fig. 3From: Prognostic value of circulating tumor DNA in operable non-small cell lung cancer: a systematic review and reconstructed individual patient-data based meta-analysisSynthesis of survival outcomes by longitudinal ctDNA status. A Individual patient data (IPD)-based disease-free survival (DFS) by longitudinal ctDNA status (+ vs. −). B IPD-based DFS by longitudinal ctDNA status (+ vs. −) based on propensity score matching (PSM). C IPD-based overall survival (OS) by longitudinal ctDNA status (+ vs. −). D pooled meta-analysis of DFS by longitudinal ctDNA status (+ vs. −)Back to article page