Skip to main content

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