Table 6.
Infectious status of validation group in this study
| Variables | Case subgroup (n = 500) | Control subgroup (n = 500) | χ2 | P |
|---|---|---|---|---|
| Abnormal vaginal discharge, n (%) | 9.019 | 0.003 | ||
| Yes | 178 (35.6) | 134 (26.8) | ||
| No | 322 (64.4) | 366 (73.2) | ||
| Candida albicans, n (%) | 4.384 | 0.036 | ||
| Positive | 23 (4.6) | 11 (2.2) | ||
| Negative | 477 (95.4) | 489 (97.8) | ||
| HSV-2, n (%) | 2.016 | 0.156 | ||
| Positive | 6 (1.2) | 2 (0.4) | ||
| Negative | 494 (98.8) | 498 (99.6) | ||
| UU, n (%) | 22.353 | 0.001 | ||
| Positive | 67 (13.4) | 24 (4.8) | ||
| Negative | 433 (86.6) | 476 (95.2) | ||
| CT, n (%) | 23.349 | 0.001 | ||
| Positive | 57 (11.4) | 17 (3.4) | ||
| Negative | 443 (88.6) | 483 (96.6) | ||
| GBS, n (%) | 36.424 | 0.001 | ||
| Positive | 78 (15.6) | 21 (4.2) | ||
| Negative | 422 (84.4) | 479 (95.8) | ||
| HSV-1, n (%) | 0.504 | 0.478 | ||
| Positive | 5 (1.0) | 3 (0.6) | ||
| Negative | 495 (99.0) | 497 (99.4) |
UU: Ureaplasma urealyticum; CT: Chlamydia trachomatis; GBS: Group B streptococci; HSV-2: Herpes simplex virus type 2; HSV-1: Herpes simplex virus type 1.