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Table 1 Definition of terms

From: Non-compliance with randomised allocation and missing outcome data in randomised controlled trials evaluating surgical interventions: a systematic review

Terms

Definition

As-randomised analysis

All participants were analysed in the groups they were originally allocated to, irrespective of the treatment they received

Per-protocol analysis

Participants who deviated from treatment allocation were excluded from the analysis

As-treated analysis

Participants were analysed according to the treatment they received

Intention-to-treat

All participants were analysed in the group they were originally randomly allocated to, irrespective of the treatment they received and where there are missing data, they are accounted for