Table 4

Reporting of adverse effects in 107 articles studied

ItemNumber (%)
Adverse effects mentioned in article83 (78)
Adverse effects mentioned in methods section49 (46)
Standardised method for adverse effects36 (34)
Categorisation of adverse effects10 (9)
Adverse effects mentioned in result section81 (76)
Number of adverse effects given69 (64)
Individuals with adverse effects given28 (26)
Table with adverse effects33 (31)
Number of withdrawals27 (25)
Adverse effects per study arm69 (65)
Total children studied24 056
(Per study mean; median; minimum; maximum)224; 70; 10; 4906
Total adverse effects found7246
(Per study mean; median; minimum; maximum)105; 30; 0; 2343
Total fatalities22
Total severe adverse events338
(Per study mean; median; minimum; maximum)6; 0; 0; 91
Duration of study (in weeks) (per study mean; median; minimum; maximum)12; 4; 1; 150
Ioannidis score*
(Mean; median; minimum; maximum)2; 2; 0; 5
Consort score*
(Mean; median; minimum; maximum)3; 3; 1; 9
  • * For construction of these scores: see text.