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Table 3 Simulated economic outcomes in the Diabetes Prevention Program intervention groups over a lifetimea

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

Outcome

Lifestyle intervention

Metformin intervention

Placebo Intervention

Lifetime intervention costs, $

9,718

8,801

2,907

Lifetime outcome costs, $

42,256

46,460

48,432

Total lifetime direct medical costs, $

51,974

55,261

51,339

Lifetime QALYs

10.89

10.45

10.32

∆ Cost vs. placebo, $

635

3,922

∆ QALY vs. placebo

0.57

0.13

∆ Cost / ∆ QALY, $

1,124

31,286

  1. QALY quality-adjusted life-year
  2. aCosts and QALYs discounted at 3 % per year