Comparison 16. Prolonged feeding: extensively hydrolysed casein formula versus cow' milk formula.

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 Infancy (incidence)	1	976	Risk Ratio (M‐H, Fixed, 95% CI)	0.76 [0.54, 1.07]
1.2 Childhood (incidence)	1	431	Risk Ratio (M‐H, Fixed, 95% CI)	0.72 [0.53, 0.97]
2 Asthma	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
2.1 Childhood (prevalence)	1	431	Risk Ratio (M‐H, Fixed, 95% CI)	0.84 [0.49, 1.45]
3 Eczema	1		Risk Ratio (M‐H, Fixed, 95% CI)	Subtotals only
3.1 Infancy (incidence)	1	976	Risk Ratio (M‐H, Fixed, 95% CI)	0.69 [0.47, 1.00]
3.2 Childhood (incidence)	1	431	Risk Ratio (M‐H, Fixed, 95% CI)	0.66 [0.44, 0.98]
3.3 Childhood (prevalence)	1	431	Risk Ratio (M‐H, Fixed, 95% CI)	0.50 [0.27, 0.92]