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Cumulative Risk of Developing Diabetes and Effect of Interventions in Diabetes Prevention Program
| Factor | Placebo | Metformin | Lifestyle |
|---|---|---|---|
| Incidence of diabetes (% per year) | 11.0 | 7.8 | 4.8 |
| Reduction in incidence compared with placebo (%) | … | 31 | 58 |
| Number needed to treat to prevent 1 case in 3 years | … | 13.9 | 6.9 |
Adapted from Knowler et al (Diabetes Prevention Program Research Group) (3).
