Table 2.

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.