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Table 1 Undiscounted per capita direct medical costs of the DPP/DPPOS interventions by intervention group and study year ($)

From: The cost-effectiveness of diabetes prevention: results from the Diabetes Prevention Program and the Diabetes Prevention Program Outcomes Study

Year Lifestyle Metformin Placebo DPP Group Lifestylea
1-DPP 1,826 584 87 898
2-DPP 887 294 50 563
3-DPP 915 299 47 590
4 (Bridge) 173 301 220 173
5-DPPOS 126 138 62 126
6-DPPOS 112 136 61 112
7-DPPOS 139 137 59 139
8-DPPOS 138 132 55 138
9-DPPOS 126 131 55 126
10-DPPOS 130 130 55 130
Total 4,572 2,281 752 2,995
  1. aSensitivity analysis. Assumes that the core curriculum and follow-up visits were conducted as group sessions with ten participants during the 3 years of DPP