Characteristics of responders in the six study armsa
| Number needed to treat | Survival gain, months | |||||
|---|---|---|---|---|---|---|
| Scenario | 9 | 17 | 34 | 9 | 17 | 32 |
| Participants, n | 81 | 80 | 78 | 81 | 75 | 82 |
| Mean age, years (SD) | 53(10.7) | 54 (8.9) | 54(9.1) | 51 (8.4) | 55(9.0) | 53 (9.0) |
| Women, % | 19 | 24 | 21 | 32 | 24 | 20 |
| Working as GP, % | 51 | 49 | 54 | 51 | 51 | 51 |
↵a Participants were randomised to one of six vignettes portraying a high-risk individual and a risk-reducing drug therapy. Vignettes differed by effect size and format (NNT or gain in disease free survival).