Figure 1From: Meta-regression models to address heterogeneity and inconsistency in network meta-analysis of survival outcomes Graphical representation of two-dimensional network meta-analysis model for survival data without treatment-by-covariate interaction (A); two-dimensional network meta-analysis model with treatment specific covariate interactions (B); two-dimensional network meta-analysis model with constant covariate interaction (C). (See Model 1–3 and text for explanation)Back to article page