Follow-up colonoscopy after abnormal stool-based colorectal cancer screening: a systematic review of completion, timeliness and implementation strategies

To synthesise evidence on diagnostic colonoscopy completion and time-to-colonoscopy after abnormal stool-based colorectal cancer screening tests and to examine the implementation strategies and health-system configurations used to support follow-up.

Systematic review with narrative synthesis, reported in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses 2020 statement and the Synthesis Without Meta-analysis reporting guideline.