Network design in the antidepressants example. The nodes are placed on the circumcircle and are labeled according to the treatments. The edges display the observed treatment comparisons. The thickness of the lines is proportional to the inverse standard error of the treatment effect, aggregated over all studies including these two respective treatments. The network includes 109 two-armed studies with 42 different designs and two three-armed studies, both with design fluo:paro:sert.
Krahn et al. BMC Medical Research Methodology 2013 13:35 doi:10.1186/1471-2288-13-35