Table 2

Recommendations for reporting safety information in randomised controlled trials as suggested by Ioannidis and Lau4

1Specify the number of patients withdrawn from the study due to adverse effects, per study arm and per type of adverse effect
2Use widely known standardised scales for adverse events
3Specify the schedule for the collection of safety information
4Provide the number of specific adverse effects per study arm and per type of adverse effect
5Tabulation of safety information per study arm and severity grade is encouraged, as well as detailed description of cases of unusual adverse effects