Comparison 6. Dexamethasone compared to prednisolone.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
6.1 Croup score (change baseline ‐ 2 hours) by outpatient	1	1231	Std. Mean Difference (IV, Random, 95% CI)	0.06 [‐0.06, 0.18]
6.1.1 Outpatient	1	1231	Std. Mean Difference (IV, Random, 95% CI)	0.06 [‐0.06, 0.18]
6.2 Croup score (change baseline ‐ 6 hours) by outpatient	1	99	Std. Mean Difference (IV, Random, 95% CI)	0.21 [‐0.21, 0.62]
6.2.1 Outpatient	1	99	Std. Mean Difference (IV, Random, 95% CI)	0.21 [‐0.21, 0.62]
6.3 Return visits or (re)admissions or both by outpatient	4	1537	Risk Ratio (M‐H, Random, 95% CI)	0.55 [0.28, 1.11]
6.3.1 Outpatient	4	1537	Risk Ratio (M‐H, Random, 95% CI)	0.55 [0.28, 1.11]
6.4 Length of stay by outpatient	2	1363	Mean Difference (IV, Random, 95% CI)	‐0.02 [‐0.42, 0.39]
6.4.1 Outpatients	2	1363	Mean Difference (IV, Random, 95% CI)	‐0.02 [‐0.42, 0.39]
6.5 Additional treatments: epinephrine	3	1463	Risk Ratio (M‐H, Random, 95% CI)	0.90 [0.50, 1.64]
6.6 Additional treatments: intubation/tracheotomy	1	1231	Risk Difference (M‐H, Random, 95% CI)	0.00 [‐0.00, 0.00]
6.7 Additional treatments: supplemental glucocorticoids	2	926	Risk Ratio (M‐H, Random, 95% CI)	0.72 [0.53, 0.97]