Comparison 5. Subgroup analysis: < 70 years versus ≥ 70 years for the comparison of systemic corticosteroids versus standard care (plus/minus placebo) for hospitalised individuals with a confirmed or suspected diagnosis of symptomatic COVID‐19.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
5.1 All‐cause mortality up to 30 days	3	6781	Risk Ratio (M‐H, Random, 95% CI)	0.88 [0.71, 1.10]
5.1.1 < 70 years	3	3885	Risk Ratio (M‐H, Random, 95% CI)	0.70 [0.60, 0.82]
5.1.2 ≥ 70 years	3	2896	Risk Ratio (M‐H, Random, 95% CI)	1.02 [0.92, 1.12]