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Fig. 2 | BMC Health Services Research

Fig. 2

From: Medicaid prescription limits: policy trends and comparative impact on utilization

Fig. 2

Proportion of branded (a) and generic (b) prescriptions and estimated spending changes for classes of drugs with generic replacements before and after implementation of brand cap policies. Selected classes include: ACE-inhibitors, ARBs, CCBs, statins, NSAIDs, PPIs, SSRIs, and SNRIs. a, b Triangles and squares represent measured proportion of utilization. Solid lines represent predicted utilization based on models. The dotted line represents predicted utilization if brand cap policies had not been implemented (the counterfactual). Time is measured in calendar quarters relative to policy implementation. The weighted average of medication use in states without prescription caps throughout the study period was used as a control. The timeframe for the control data was standardized relative to the quarter in which the cap policy was initiated in the intervention state. c Estimated spending changes for medication classes with generic replacements due to brand cap implementation, for brand drugs, generic drugs, and all drugs

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