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] |