Table 1.

Characteristics of scoping and systematic reviews

Systematic ReviewScoping Review
A single research question with narrow focusEncompasses broad research area or question(s)
Inclusion/exclusion criteria explicitly defined at outsetInclusion/exclusion can be developed post hoc
Quality of identified studies importantQuality not an initial priority
Detailed data abstraction defined a prioriMay or may not involve data extraction
Formal quantitative synthesis often performedSynthesis descriptive and typically not quantitative
Results in a formal conclusion to the stated research questionIdentifies gaps in a body of literature
  • Modified from ref. 10, with permission.