Table 2.

Vertical transmission of GBS from the mother to newborn at delivery

	GBS colonisation in newborns of women with GBS rectovaginal colonisation		GBS colonisation in newborns of women without rectovaginal GBS colonisation
	n/N	% (95% CI)	n/N	% (95% CI)
Bangladesh	77/138	55·8% (47·5–63·8)	32/650	4·9% (95% CI 3·5–6·9)
Ethiopia	67/87	77% (67·1–84·6)	25/667	3·7% (95 CI 2·6–5·5)
India	134/174	77% (70·2–82·6)	30/67	4·4% (95 CI 3·1–6·3)
Kenya	128/169	75·7% (68·8–81·6)	26/630	4·1% (95 CI 2·8–6)
Mali	247/314	78·7% (73·8–82·8)	46/450	10·2% (95 CI 7·8–13·4)
Mozambique	168/212	79·2% (73·3–84·2)	20/573	3·5% (95 CI 2·3–5·3)
Nigeria	125/201	62·2% (55·3–68·6)	31/673	4·6% (95 CI 3·3–6·5)
South Africa	186/271	68·6% (62·9–73·9)	47/610	7·7% (95 CI 5·8–10·1)
Overall	1132/1566	72·3% (70·0–74·4)	257/4929	5·2% (95 CI 4·6–5·9)

GBS=group B Streptococcus.