Comparison 1. Antibiotic versus placebo or no treatment.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Mean change in BCVA at 12 months	1	93	Mean Difference (IV, Fixed, 95% CI)	‐1.0 [‐7.93, 5.93]
2 Recurrence of lesions	3	227	Risk Ratio (M‐H, Fixed, 95% CI)	0.26 [0.11, 0.63]
2.1 Recurrent lesions in participants with acute retinochoroiditis	2	113	Risk Ratio (M‐H, Fixed, 95% CI)	0.20 [0.04, 1.14]
2.2 Recurrent lesions in participants with chronic recurrent retinochoroiditis	1	114	Risk Ratio (M‐H, Fixed, 95% CI)	0.29 [0.10, 0.81]
3 Improvement in intraocular inflammation	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected
4 Adverse events	1		Risk Ratio (M‐H, Fixed, 95% CI)	Totals not selected