Comparison 3. Intranasal steroids versus control.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Audiometry failing at nine months (audiometry sweep at 25 dB HL, fail on more than two out of five frequencies in both ears)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
2 Median days with hearing loss (three months)	1		Mean Difference (IV, Fixed, 95% CI)	Subtotals only
3 OME resolution (three weeks)	1		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
4 OME resolution (three months)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
5 OME resolution (nine months)	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
6 Minor adverse effects at three months	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only