Figure 7From: Meta-regression models to address heterogeneity and inconsistency in network meta-analysis of survival outcomes Independent study specific differences in scale of DTIC + IFN, DTIC + non-IFN, and non-DTIC relative to DTIC as a function of publication year. The associations between treatment effects in terms of scale and publication year as obtained with model 2 are presented with the dashed linesBack to article page