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Table 3 Pre-defined criteria used to decide whether, or how, to proceed with a later, larger randomised control trial. Green colour: Fully acceptable and feasible. Yellow colour: Feasibility concern, changes to be decided. Red colour: Serious feasibility concerns, clear actions must be taken before a greater randomised control trial is planned

From: FortiColos – a multicentre study using bovine colostrum as a fortifier to human milk in very preterm infants: study protocol for a randomised controlled pilot trial

 

Consent rate

> 70%

50–70%

< 50%

Recruitment rate

> 50%

20–50%

< 20%

Proportion of incomplete datasets

< 20%

20–50%

> 50%