Intervention
Clinical trials, cohort studies (retrospective and prospective), and case control studies that explored prehabilitation programs for participants with BC prior to invasive surgery. Studies developing, validating, updating, evaluating, or comparing prediction models of BC were eligible. Only studies published in English were included. The following articles were excluded: Review articles and studies published in languages other than English, protocols, conference abstracts, and clinical trial registrations were also excluded. Eligible studies were characterised into subgroups based on the type of prehabilitation program.