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Table 3 Inclusion and exclusion checklist

From: Assessing the hospital volume-outcome relationship in surgery: a scoping review

Criteria Review Result
Inclusion criteria:
 Assessment of the hospital volume-outcome relationship in surgery ❒ Yes ❒ No
 A precise description of the methodology (how the outcome was assessed, how the hospital volume was analyzed, and how the statistical analysis was performed). ❒ Yes ❒ No
Exclusion criteria:
 Surgeon-specific volume-outcome relationship only ❒ Yes ❒ No
 Hospital volume used only as a covariate ❒ Yes ❒ No
 Publication as systematic review, qualitative study, editorial, letter to the editor, comment, narrative report, or any format other than primary quantitative research ❒ Yes ❒ No