The following exclusion criteria were applied to search results: the article was a conference abstract, editorial, letter, opinion, audit or review; the population studied was non-surgical (eg, pathology, medicine); the article described methods of feedback, not the impact of feedback; the article utilised a medical student population.
Abstracts, editorials, and review articles were excluded.
Conference abstracts, editorials and commentaries were not included.
Only articles reporting original data were retained; abstracts, editorials and letters were excluded.
Third, the following were excluded: review articles, abstracts, editorials, reports with incomplete data.
Conference abstracts, editorials, letters and books were included only if they presented original qualitative data.
We excluded abstracts, editorials, comments, letters, review articles, and studies that enrolled patients with HIV associated or posttransplant lymphoproliferative disorders.
Studies with insufficient data, review articles, abstracts, editorials, comments, letters, case reports, and animal studies were excluded.
In this integrated analysis we only used data-based, full published papers for this synthesis, excluding abstracts, editorials, and theoretical PAR estimates.
Exclusion criteria were articles that did not pertain to humans, were non-English, or involved studies and information published only as dissertations, abstracts, editorials, or clinical opinion.
