Table 2.

Additional quality assessments from the Cochrane Handbook scoring

Quality assessment	Number of meta-analyses reporting item (%)
Date of search provided	88 (88)
Number of databases searched ≥3	78 (78)
Breakdown of number of databases searched:
➢ Not reported	2 (2)
➢ 1	6 (6)
➢ 2	14 (14)
➢ 3	42 (42)
➢ 4	12 (12)
➢ 5	10 (10)
➢ 6	5 (5)
➢ 7	4 (4)
➢ 8	3 (3)
➢ 9	1 (1)
➢ 14	1 (1)
Included searches for all databasesa	37 (37)
Included platform for each databaseb	23 (23)
Claimed a reporting tool	72 (72)
Is the reporting tool appropriatec	71 (71)

^aNot applicable for 1 meta-analysis

^bNot applicable for 2 meta-analyses

^cNot applicable for 28 meta-analyses