Systematic Review Services / Risk of Bias
Risk of Bias Assessment Service
Study-design-matched critical appraisal — RoB 2 for trials, ROBINS-I for non-randomized studies, Newcastle-Ottawa for cohort and case-control, AMSTAR-2 for reviews of reviews.
What's included
Tool selection
Matching the correct appraisal tool to each included study's design — a common source of error when done generically.
Domain-by-domain judgment
Structured assessment across every domain, with documented rationale for each judgment.
Summary figures
Risk-of-bias summary and traffic-light plots, ready for your manuscript.
Read our RoB 2 explainer for the methodology, or have our team apply it — and feed the results directly into a GRADE certainty assessment.
Related support
GRADE Evidence Assessment
Certainty ratings that build directly on your risk-of-bias results.
See GRADE support →