Progression criteria for advancing to a larger trial
| Go—proceed with RCT | Amend—proceed with changes | No go—do not proceed with RCT. | ||
| FEASIBILITY | Participant recruitment | n≥70 participants consent to the study | n=36–69 participants consent to the study | N= ≤35 participants consent to the study |
| Retention rate | ≥85% remain in the study at 1 month follow-up (ie, have not withdrawn) | 51–84% remain in the study at 1 month follow-up (ie, have not withdrawn) | ≤50% remain in the study at 1 month follow-up (ie, have not withdrawn) | |
| Data collection | Target: ≥85% of participants from the study have length of stay data collected | 51–84% of participants from the study have length of stay data collected | ≤50% of participants from the study have length of stay data collected | |
| Adverse events assessed at 1 month follow-up | No adverse events or adverse events are classified as grade 1 based on items that have been adapted from the Common Terminology Criteria for Adverse Events | Adverse events of grade 2 based on items that have been adapted from the Common Terminology Criteria for Adverse Events | Adverse events of Grade 3 or above, based on items that have been adapted from the Common Terminology Criteria for Adverse Events | |
| ACCEPTABILITY | Useability | System usability scale>68 | System usability scale 51–67 | System usability scale<51 |
| Engagement | ≥75% participants logged onto RecoverEsupport at least once | 51–74% participants logged onto RecoverEsupport at least once | ≤50% participants logged onto RecoverEsupport at least once | |
| Acceptability | ≥75% of participants would recommend RecoverEsupport | 51–74% of participants would recommend RecoverEsupport | ≤50% of participants would recommend RecoverEsupport |
RCT, randomised controlled trial.