Internal medicine

Sociology

Mathematics

Social science

Aggregate (composite)

Meta-analysis

Statistics

Data collection

Psychology

Composite material

Materials science

Participant observation

Data science

Aggregate data

Computer science

Medicine

The use of individual participant data instead of aggregate data in meta-analyses has many potential advantages, both statistically and clinically. <b>Richard D Riley and colleagues</b> describe the rationale for an individual participant data meta-analysis and outline how to conduct this type of study

Meta-analysis of individual participant data: rationale, conduct, and reporting