Table 1. Medical Obstetrical factors, prevalence of various obstetrical pathologies in the population and Prevalence of vaginal infection of women having delivered in French Guiana 2016–2017: crude odds ratios.
| Obstetrical history | Number (%) of extreme/very preterm delivery/term delivery relative to term delivery | Crude OR (95% CI) | Current obstetrical problems | Number (%) of extreme/very preterm delivery/term delivery relative to term delivery | Crude OR (95% CI) | Vaginal infections before delivery | Number (%) of extreme/very preterm delivery/term delivery relative to term delivery | Crude OR (95% CI) |
|---|---|---|---|---|---|---|---|---|
| History of spontaneous abortion | Gravidic hypertension | Polymicrobial culture | ||||||
| No | 68/281 (24.2%) | 1 | No | 80/355 (22.5%) | 1 | No | 61/281 (21.7%) | 1 |
| Yes | 26/95 (27.4%) | 1.2 (0.7–2.2) | Yes | 14/21 (66.7%) | 8.2 (2.8–24.2) | Yes | 14/44 (31.8%) | 1.4 (0.7–2.9) |
| History of abortion | Preeclampsia | Gardnerella vaginalis | ||||||
| No | 71/298 (23.8%) | 1 | No | 62/342 (18.1%) | 1 | No | 53/253 (20.9%) | 1 |
| Yes | 23/78 (29.5%) | 1.4 (0.8–2.5) | Yes | 32/34 (94.1%) | 75.7 (16.8–340.3) | Yes | 22/72 (30.6%) | 1.8 (1–3.3) |
| History of medical pregnancy interruption | Gestational diabetes | Ureaplasma urealyticum | ||||||
| No | 92/372 (24.7%) | 1 | No | 86/353 (24.4%) | 1 | No | 75/319 (23.5%) | 1 |
| Yes | 2/4 (50%) | 2.6 (0.4–18.7) | Yes | 8/23 (34.8%) | 1.6 (0.6–4.2) | Yes | 0/6 (0%) | 1 |
| History of ectopic pregnancy | Premature membrane rupture | Streptococcus B | ||||||
| No | 93/375 (24.8%) | 1 | No | 69/351 (19.7%) | 1 | No | 57/276 (20.7%) | 1 |
| Yes | 1/1 (100%) | 1 | Yes | 25/25 (100%) | 1 | Yes | 18/49 (36.7%) | 2.6 (1.3–5.3) |
| History of preterm delivery | Placentapraevia | Candida albicans | ||||||
| No | 66/329 (20.1%) | 1 | No | 91/372 (24.5%) | 1 | No | 66/263 (25.1%) | 1 |
| Yes | 28/47 (59.6%) | 5.3 (2.7–10.3) | Yes | 3/4 (75%) | 6 (0.6–60.1) | Yes | 9/62 (14.5%) | 0.5 (0.2–1) |
| Scarred uterus | Intra uterine growth retardation | Trichomonas vaginalis | ||||||
| No | 71/324 (21.9%) | 1 | No | 77/354 (21.8%) | 1 | No | 74/322 (23%) | 1 |
| Yes | 23/52 (44.2%) | 3.3 (1.7–6.3) | Yes | 17 /22 (77.3%) | 14.2 (4.9–41.9) | Yes | 1/3 (33.3%) | 3.9 (0.3–44.9) |
| Hydramnios | Candida (non albicans ) | |||||||
| No | 94/282 (33.3%) | 1 | No | 74/324 (22.8%) | 1 | |||
| Yes | 0 | 1 | Yes | 1/1 (100%) | 1 | |||
| Chlamydiae | ||||||||
| No | 75/323 (23.2%) | 1 | ||||||
| Yes | 0/2 (0%) | 1 | ||||||
| Candida dubliniensis | ||||||||
| No | 75/324 (23.1%) | 1 | ||||||
| Yes | 0/1 (0%) | 1 | ||||||
| Gonococcus | ||||||||
| No | 75/324 (23.1%) | 1 | ||||||
| Yes | 0/1 (0%) | 1 | ||||||
| Mycoplasma | ||||||||
| No | 75/324 (23.1%) | 1 | ||||||
| Yes | 0/1 (0%) | 1 |
Abbreviations: CI, confidence intervals; OR, odd ratio.