Table 3.

Representation of streptococcal species among infants and mothers

	Infants		p value*	Mothers		p value*
	VLBW	NBW		VLBW	NBW
Streptococus mutans [% median, (IQR)]	0.0 (0.0–3.5)	0.7 (0.0–5.0)	0.484	15.7 (8.8–22.0)	15.0 (9.0–19.0)	0.385
Streptococus sanguis [% median, (IQR)]	32.0 (27.0–38.6)	35.4 (30.9–41.0)	0.047	29.7 (21.5–35.5)	30.1 (25.3–35.3)	0.535
Streptococus viridans [% median, (IQR)]	38.8 (31.7–48.7)	39.1 (28.8–46.6)	0.601	33.0 (25.4–42.1)	34.7 (27.4–44.0)	0.439
Streptococus salivarius [% median, (IQR)]	19.7 (12.0–25.0)	16.6 (11.9–20.6)	0.130	15.0 (10.0–20.0)	15.7 (11.5–20.5)	0.870
Other streptococci [% median, (IQR)]	2.0 (0.0–5.8)	2.5 (0.0–5.8)	0.819	1.3 (0.0–5.2)	1.6 (0.0–6.7)	0.995

IQR interquartile range, N number, VLBW very low birth weight, NBW normal birth weight

*Statistical significance determined using Mann–Whitney U test, significant values marked in bold