Feasibility, retention, and dropouts
RECRUITMENT

Response rate: percentage of the participants willing to participate who were eligible based on the eFI score.Eligibility rate: percentage of consented participants eligible who entered the study based on nurses’ clinical frailty diagnosis.Recruitment rate: percentage of invited participants who were eligible and randomised.Retention rate: percentage of randomised participants available for interim and follow-up reviews.Dropout rate: percentage of randomised participants not completing the post-intervention outcome measure tools.