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Fig. 2 | BMC Medical Research Methodology

Fig. 2

From: A method for assessing robustness of the results of a star-shaped network meta-analysis under the unidentifiable consistency assumption

Fig. 2

a A graphical representation of the evidence network for four smoking cessation counseling programs. b A graphical representation of the derived star-shaped network by eliminating four trials corresponding to direct comparisons among self-help, individual counseling, and group counseling. Each node represents an intervention, and a line between two nodes reflects one or more randomized controlled trials (RCTs). The numbers on each solid line connecting two interventions correspond to the number of RCTs comparing those interventions

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