From: ClinicalTrials.gov registration can supplement information in abstracts for systematic reviews: a comparison study
Primary Outcome
Non-primary outcome
No. (%)
Total outcomes reported in abstract
80 (100)
708 (100)
Complete agreement
14 (18)
57 (8)
Partial agreement
39 (49)
205 (29)
Not reported in ClinicalTrials.gov
27 (34)
446 (63)