Table 1.
Demographic and microbiological characteristics.
| Parameter | Frequency; n (%) | Quantity of growth; n (%) | ||
|---|---|---|---|---|
| 3+ | 2+ | 1+ | ||
| Demographic characteristics | ||||
| Swabs | 1860 (100) | nd | nd | nd |
| Patients | 1831 (100) | nd | nd | nd |
| Maternal age (mean) | 31 | nd | nd | nd |
| Gestational age (median) | 33 | nd | nd | nd |
| Microbiological isolates (n = 2706) | ||||
| Lactobacilli | 1349 (49.9) | 1106 (82.0) | 234 (17.3) | 9 (0.7) |
| Lactobacillus crispatus | 512 (18.9) | 441 (86.1) | 70 (13.7) | 1 (0.2) |
| Lactobacillus jensenii | 259 (9.6) | 234 (90.3) | 24 (9.3) | 1 (0.4) |
| Lactobacillus gasseri | 234 (8.6) | 188 (80.3) | 44 (18.8) | 2 (0.8) |
| Lactobacillus iners | 188 (6.9) | 128 (68.1) | 56 (29.8) | 4 (2.1) |
| Others | 156 (5.8) | 115 (73.7) | 40 (25.6) | 1 (0.6) |
| Gardnerella vaginalis | 314 (11.6) | 268 (85.3) | 45 (14.3) | 1 (0.3) |
| Mixed aerobic bacteria | 667 (24.6) | 369 (55.3) | 170 (25.5) | 128 (25.5) |
| Streptococcus agalactiae (GBS) | 275 (10.2) | 94 (34.2) | 64 (23.3) | 117 (42.5) |
| Enterococcus faecalis | 113 (4.2) | 97 (85.8) | 16 (14.2) | 0 (0) |
| Streptococcus anginosus | 95 (3.5) | 61 (64.2) | 32 (33.7) | 2 (33.7) |
| Escherichia coli | 84 (3.1) | 66 (78.6) | 18 (21.4) | 0 (0) |
| Staphylococcus aureus | 34 (1.3) | 13 (38.2) | 13 (38.2) | 8 (23.5) |
| Others | 66 (2.4) | 38 (57.6) | 27 (57.6) | 1 (1.5) |
| Yeast | 376 (13.9) | 148 (39.4) | 160 (42.5) | 68 (18.1) |
Note: All isolates are included from 1860 swabs collected. More than 1 isolate per culture could be recovered. nd—not determined.