Table 1 Characteristics of study participants
Categories | Number of women with category-specific data (N = 1024) | Number of samples with category-specific data (N = 1890) |
|---|---|---|
Metagenomic data source | 1017 | 1890 |
 UMB-HMP | 124 (12.2%) | 515 (27.2%) |
 Li et al. | 44 (4.3%) | 44 (2.3%) |
 LSVF | 585 (57.5%) | 653 (34.6%) |
 NIH-HMP | 76 (7.5%) | 174 (9.2%) |
 VMRC | 40 (3.9%) | 162 (8.6%) |
 VIRGO | 148 (14.6%) | 342 (18.1%) |
Age (years) | 897 | 1623 |
 15–20 | 283 (31.5%) | 410 (25.3%) |
 21–25 | 229 (25.5%) | 436 (26.9%) |
 26–30 | 188 (21.0%) | 362 (22.3%) |
 31–35 | 102 (11.4%) | 223 (13.7%) |
 36–40 | 65 (7.2%) | 125 (7.7%) |
 41–45 | 30 (3.3%) | 67 (4.1%) |
Race | 858 | 1441 |
 Asian | 54 (6.3%) | 66 (4.6%) |
 Black or African-American | 610 (71.1%) | 968 (67.2%) |
 Hispanic or Latino | 19 (2.2%) | 47 (3.3%) |
 Other | 6 (0.7%) | 9 (0.6%) |
 White or Caucasian | 169 (19.7%) | 351 (24.4%) |
Nugent category | 968 | 1623 |
 0–3 | 469 (48.5%) | 931 (57.4%) |
 4–6 | 194 (20.0%) | 255 (15.7%) |
 7–10 | 305 (31.5%) | 437 (26.9%) |
Vaginal pH category | 874 | 1362 |
 Low (pH < 4.5) | 273 (31.2%) | 491 (36.0%) |
 High (pH ≥ 4.5) | 601 (68.8%) | 871 (64.0%) |
Amsel-BV diagnosis | 627 | 673 |
 Positive | 289 (46.1%) | 308 (45.8%) |
 Negative | 338 (53.9%) | 365 (54.2%) |
Symptomatic Amsel-BV | 289 | 308 |
 Asymptomatic | 253 (87.5%) | 271 (88.0%) |
 Symptomatic | 36 (12.5%) | 37 (12.0%) |