The score after 10 years of registration of systematic review protocols

Table 2 Characteristics of SRs with protocol registration

Items	With protocol registration (N = 134) N (%)
Where is protocol registration reported
Abstract	2 (1)
Methods	99 (74)*
Abstract and methods	29 (22)^
Other	4 (3)+
Database of protocol registration
PROSPERO	129 (96)
OSF	3 (2)
Other	2 (2)
Registration number reported, yes	128 (96)

Abbreviations: PROSPERO Prospective Register of Systematic Reviews, OSF Open Science Framework. *Besides reporting protocol registration in the methods, one SR reported it in supplementary information as well, and 4 SRs reported registration on the title page as well. ^Besides reporting protocol registration in the abstract and methods, one SR reported it at the end of the article as well. +Protocol registration was only reported in the introduction (n = 1) or at the end of the article (n = 3). One SR, which was published and not registered, was excluded from Table 2 as the items reported in Table 2 are not applicable for publications

ISSN: 2046-4053