Table 1.
Framework of five preference groups of patients in a randomized trial comparing treatments A and B
| Group | Actual treatment if offered A |
Actual treatment if offered B |
Description |
|---|---|---|---|
| 1 | A | B | Compliers |
| 2 | A | 0 | A-preferers |
| 3 | 0a | B | B-preferers |
| 4 | A | A | A-insisters |
| 5 | B | B | B-insisters |
0 indicates that neither A or B treatment is received.