Fig. 1From: 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 baseline ctDNA status. A Individual patient data (IPD)-based disease-free survival (DFS) by baseline ctDNA status (+ vs. −). B IPD-based DFS by baseline ctDNA status (+ vs. −) based on propensity score matching (PSM). C IPD-based overall survival (OS) by baseline ctDNA status (+ vs. −). D Pooled meta-analysis of DFS by baseline ctDNA status (+ vs. −)Back to article page