Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Adverse effects
Systematic review	Number of people not reported	Adverse effects with corticosteroids with placebo/no treatment Absolute results not reported	The review did not pool results of adverse effects data; see further information on studies
Systematic review	Number of people not reported	Major adverse effects with corticosteroids with control Absolute results not reported	RR 0.56 95% CI 0.09 to 3.39 P = 0.44		Not significant
Systematic review	Number of people not reported	Minor adverse effects with corticosteroids with control Absolute results not reported	RR 1.23 95% CI 0.93 to 1.64 P = 0.15		Not significant
RCT	1390 people	Minor adverse effects with prednisolone with placebo Absolute numbers not reported	Both large RCTs included in the reviews reported minor adverse effects in up to 11% of participants, but there was no significant difference between corticosteroids and placebo		Not significant