Table 1.

pH of vaginal community groups in women of different ethnicities

	Community groups*
	I (L. crispatus)		II (L. gasseri)		III (L. iners)		IV (Diversity group)		V (L. jensenii)		All groups
Ethnic groups	Subjects†	pH‡	Subjects†	pH‡	Subjects†	pH‡	Subjects†	pH‡	Subjects†	pH‡	Subjects†	pH‡
Asian	24	4.4 ± 0.52	5	4.4 ± 0.44	41	4.0 ± 0.0	19	5.5 ± 0.44	7	5.0 ± 0.89	96	4.4 ± 0.59
White	44	4.0 ± 0.0	8	4.7 ± 0.44	26	4.3 ± 0.30	10	5.5 ± 0.74	9	4.85 ± 0.22	97	4.2 ± 0.30
Black	23	4.0 ± 0.0	5	5.0 ± 0.0	33	4.0 ± 0.0	42	5.3 ± 0.44	1	4.7 ± 0.44	104	4.7 ± 1.04
Hispanic	14	4.0 ± 0.0	7	4.7 ± 0.22	35	4.4 ± 0.59	37	5.3 ± 0.44	4	5.0 ± 0.59	97	5.0 ± 074
All ethnic groups	105	4.0 ± 0.3	25	5.0 ± 0.7	135	4.4 ± 0.6	108	5.3 ± 0.6	21	4.7 ± 0.4	394	4.4 ± 0.7

*Community groups are defined as in Fig. 1.

^†Total number of subjects within a community group (two singleton clusters were identified and are not included).

^‡pH values expressed as median ± median absolute deviation.