Comparison 5. Prolonged feeding: hydrolysed formula versus cow's milk formula ‐ low‐risk infants.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 All allergic disease	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
1.1 Childhood (prevalence)	1	62	Risk Ratio (M‐H, Fixed, 95% CI)	1.76 [0.76, 4.09]
2 Asthma	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
2.1 Childhood (prevalence)	1	62	Risk Ratio (M‐H, Fixed, 95% CI)	2.20 [0.77, 6.26]
3 Eczema	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
3.1 Childhood (prevalence)	1	62	Risk Ratio (M‐H, Fixed, 95% CI)	0.29 [0.03, 2.66]
4 Rhinitis	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
4.1 Childhood (prevalence)	1	62	Risk Ratio (M‐H, Fixed, 95% CI)	1.32 [0.53, 3.26]