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Table 4 Economic outcome comparisons (study references in square brackets)

From: The Impact of Generic Substitution on Health and Economic Outcomes: A Systematic Review

Economic outcomes De novo patients starting on generics Maintenance patients switching to generics Total n = 8
n = 1 study n = 7 studies
Evidence supporting generic use Evidence opposing generic use Evidence supporting generic use Evidence opposing generic use
Drug costs of investigated drug 1 7 8
[38] [30, 31, 36, 44, 46, 48, 58]
Drug costs of concomitant medication 1 4 5
[38] [30, 31, 46, 58]
Outpatient services costs 1 3 4
[38]
[31, 46, 58]
Inpatient services costs 1 3 4
[38] [31, 44, 46]
Co-payments 1 1
[48]
Overall evidence—economic outcomes 4 8 10 22