Feasibility criteria for study
| Outcome | Value | 95% CI | Feasibility criteria |
| Enrolment rate | 15 of 38 (39%) | 24% to 57% | At least 39% of eligible patients (and their partners) will be enrolled. |
| Adherence | 10 of 15 (67%) | 38% to 88% | At least 67% of patients (and their partners) enrolled in the study will attend four intervention sessions. |
| Compliance with assessments | 12 of 15 (80%) | 52% to 96% | At least 12 of 15 patients (and their partners) will complete the main study measures (PRQC and FSFI/IIEF) postintervention. |
| Fidelity | This will depend on number of sessions delivered for each couple, thus a value has not been entered at this stage. | At least 90% of the psychology interventions sessions delivered will cover all required material based on the session checklist. An individual rater would use the EFT-Therapist Fidelity Scale (a 3-point Likert scale).26 27 |
EFT, emotionally focused therapy; FSFI, female sexual function index; IIEF, international index of erectile functioning; PRQC, perceived relationship quality components inventory.