Comparison 6. Dexamethasone compared to prednisolone.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Croup (change baseline ‐ 6 hours) by inpatient/outpatient	1	99	Mean Difference (IV, Random, 95% CI)	0.19 [‐0.17, 0.55]
1.1 Outpatient	1	99	Mean Difference (IV, Random, 95% CI)	0.19 [‐0.17, 0.55]
2 Return visits or (re)admissions or both by inpatient/outpatient	3	306	Risk Ratio (M‐H, Random, 95% CI)	0.39 [0.19, 0.79]
2.1 Outpatient	3	306	Risk Ratio (M‐H, Random, 95% CI)	0.39 [0.19, 0.79]
3 Length of stay by inpatient/outpatient	1	133	Mean Difference (IV, Random, 95% CI)	0.5 [‐0.55, 1.55]
3.1 Outpatients	1	133	Mean Difference (IV, Random, 95% CI)	0.5 [‐0.55, 1.55]
4 Additional treatments: epinephrine	2	232	Risk Ratio (M‐H, Random, 95% CI)	0.69 [0.26, 1.85]
5 Additional treatments: supplemental glucocorticoids	1	86	Risk Ratio (M‐H, Random, 95% CI)	0.92 [0.34, 2.48]