A dose-response meta-analysis of the association between the maternal omega-3 long-chain polyunsaturated fatty acids supplement and risk of asthma/wheeze in offspring

Table 3 Subgroup analyses of n-3 LC-PUFAs supplementation during pregnancy on the incidence of allergic asthma

allergic asthma	Subgroup classification	Number of studies	RR (95% CI)	P	I² (%)
	< 5 years	2	0.43 (0.19, 0.99)	0.047	0
Age of offspring*	5–18 years	2	0.45 (0.05, 3.99)	0.47	87.7
	> 18 years	1	0.27 (0.08, 0.91)	0.04	/

RR Risk ratio, CI Confidential interval, P is for statistical significance of the subgroup results. I² is for statistical heterogeneity within studies

ISSN: 1471-2431