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. 2018 Dec 28;2018(12):CD013093. doi: 10.1002/14651858.CD013093.pub2

Comparison 2. Betahistine versus placebo (with concurrent medication).

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Change in tinnitus loudness match (short‐term) 1 60 Mean Difference (IV, Fixed, 95% CI) ‐0.10 [‐0.50, 0.30]
2 Significant adverse effects (short‐term) 1 59 Risk Ratio (M‐H, Fixed, 95% CI) 3.1 [0.13, 73.14]
3 Other adverse effects (short‐term) 1 59 Risk Ratio (M‐H, Fixed, 95% CI) 0.44 [0.13, 1.55]