Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 1 · 100%

Number recruited · individuals eligible for a trial

Open trial leads to higher number recruited compared with blinded trial (high certainty).

1 finding from 1 review

Strategies to improve recruitment to randomised trials 2018 · Cochrane Headline outcomes only
RR 1.25 [1.18, 1.34]
2 studies · 4833 participants
High