Eligibility criteria
| Inclusion criteria | Exclusion criteria | |
| Patient population | Patients of any age with a diagnosed ED as per ICD-11 or DSM-5 criteria (including older editions) and those with comorbid conditions, such as personality disorder. | Patients who do not meet the diagnostic criteria for EDs as outlined in the ICD-11 or DSM-5 (and previous editions), as well as those individuals diagnosed solely with BPD without a concurrent ED diagnosis. |
| Intervention | MBT in individual or group settings, solely using MBT protocols tailored for ED treatment. | MBT interventions not specific for EDs and interventions lacking integration of MBT principles in treating EDs. |
| Comparator | Treatment as usual, alternative active interventions for EDs, waiting list cohort, placebo or no control group. | Studies lacking baseline or endpoint data in the absence of a control group. |
| Outcomes | Measures specific to ED pathology, for example, The Eating Disorder Examination Questionnaire, Eating Disorder Symptoms Scale, Change in Eating Disorder Symptoms Scale, Multidimensional Body-Self Relations Questionnaire-Appearance Scales, and body image dimensional assessment. | Does not report any ED outcomes specific to ED pathology or those specified in inclusion criteria. |
| Types of evidence | Published, peer-reviewed randomised controlled trials (RCTs), cluster RCTs and longitudinal quantitative studies with multiple participants (including RCTs, quasiexperimental studies, cohort studies and case series). English language papers. | Systematic reviews and meta-analyses, incomplete trials, case-control studies, case reports, qualitative papers, non-peer-reviewed publications, editorials, commentaries, books and book chapters are excluded. Non-English papers. |
DSM, The Diagnostic and Statistical Manual of Mental Disorders; ED, eating disorder; ICD, International Classification of Diseases.