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Mean copayments of medications in the year before and after Value-based formulary (VBF) implementation
| Number of unique medicationsa, n | Number of prescription claims year before, n | Pre-VBF Copay, mean (SD) | Post-VBF Copay, mean (SD) | Diff, mean (SD) | |
|---|---|---|---|---|---|
| Overall copayments | 1,654 | 60,352 | 21 (16) | 28 (25) | 7 (13) |
