CONSORT flow diagram template

Participant flow through a two-arm randomised trial.

Use it to report participant flow in a parallel-group randomised trial. Add counts (n = …) to each box and the reasons for exclusion or loss. Check the current CONSORT statement for required items.

Open this template in the editor

Mermaid code

Paste into any Mermaid renderer, including GitHub and Notion.

flowchart TD
  subgraph s1["Enrolment"]
    n1["Assessed for eligibility (n = )"]
    n2["Excluded, with reasons (n = )"]
    n3["Randomised (n = )"]
  end
  subgraph s2["Allocation"]
    n4["Allocated to intervention (n = )"]
    n5["Allocated to control (n = )"]
  end
  subgraph s3["Follow-up"]
    n6["Lost to follow-up (n = )"]
    n7["Lost to follow-up (n = )"]
  end
  subgraph s4["Analysis"]
    n8["Analysed, intervention (n = )"]
    n9["Analysed, control (n = )"]
  end
  n1 --> n2
  n1 --> n3
  n3 --> n4
  n3 --> n5
  n4 --> n6
  n5 --> n7
  n4 --> n8
  n5 --> n9