The effectiveness of interventions to disseminate the results of non-commercial randomised clinical trials to healthcare professionals: a systematic review

Table 8 Summary of findings for systematic review summary formats on outcomes assessed

Outcome assessed	Effect	Number of participants (studies)	Certainty in the evidence^a
Outcomes	No consistent benefit from systematic review summary formats across the three studies, with one reporting benefit, one detriment and one mixed outcomes	661 participants [41, 42, 44] (3 studies)	Moderate certainty ⊕ ⊕ ⊕ O^b
Out-takes	No consistent benefit from systematic review summary formats across the studies, although two did find suggestion of overall benefit on out-takes	831 participants [40,41,42,43,44] (5 studies)	Moderate certainty ⊕ ⊕ ⊕ O^b

^aCommonly used symbols to describe certainty in evidence in evidence profiles: high certainty (⊕ ⊕ ⊕ ⊕), moderate certainty (⊕ ⊕ ⊕ O), low certainty (⊕ ⊕ OO) and very low certainty (⊕ OOO)
^bDowngraded by one level for inconsistency

ISSN: 1748-5908