Comparison 11. Respiratory, thoracic, and mediastinal disorders.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Cough	6	1587	Odds Ratio (M‐H, Random, 95% CI)	0.57 [0.40, 0.80]
2 Respiratory symptoms not otherwise specified	8	2176	Odds Ratio (M‐H, Random, 95% CI)	1.02 [0.82, 1.25]
3 Wheezing	3	484	Odds Ratio (M‐H, Random, 95% CI)	2.20 [0.74, 6.52]