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. 2020 Jan 20;2020(1):CD011628. doi: 10.1002/14651858.CD011628.pub2

Comparison 13. Tetracyclines vs placebo.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 Proportion of participants with adverse effects in the short term 2 200 Risk Ratio (M‐H, Random, 95% CI) 4.91 [1.00, 24.07]