Comparison 1. Troleandomycin versus placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Steroid reduction (continuous)	3	77	Std. Mean Difference (IV, Fixed, 95% CI)	‐0.29 [‐0.75, 0.17]
2 Lung spirometry	2	21	Std. Mean Difference (IV, Fixed, 95% CI)	0.06 [‐0.80, 0.92]
3 Symptoms	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
4 Exacerbations	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected
5 Steroid reduction (dichotomous)	1		Peto Odds Ratio (Peto, Fixed, 95% CI)	Totals not selected