Table 3 PROSPER progression criteria
Progression criteria | Go | Amend | Stop |
|---|---|---|---|
Recruitment of trial participants | ≥ 70% of target | 50–69% of target | < 50% of target |
Retention of trial participants | ≥ 70% retained | 50–69% retained | < 50% retained |
Protocol adherence | ≥ 70% of intervention delivered per protocol | 50–69% of intervention delivered per protocol | < 50% of intervention delivered per protocol |
Completion of outcome measures | ≥ 70% of measures are complete | 50–69% of measures are complete | < 50% of outcome measures are complete |