1. A schematic representation of the possible pairwise comparisons of adherence and persistence between different medication classes.
A schematic representation of the possible pairwise comparisons of adherence and persistence between different medication classes. Comparison with metformin is the primary outcome (black lines), but the additional pairwise comparisons possible are secondary outcomes of interest (grey lines).
Andrew McGovern et al. BMJ Open 2016;6:e010469
©2016 by British Medical Journal Publishing Group