1. Gestational age | < 32 weeks (n = 63) | ≥ 32 weeks (n = 211) | Relative risk (95% CI) | p |
---|---|---|---|---|
Enteroccous-positive | 21 (33.3%) | 42 (19.9%) | 1.675 (1.076–2.605) | 0.0395 |
aMDR-enterococcus-positive | 19 (30.2%) | 17 (8.1%) | 3.743 (2.073–6.759) | <0.0001 |
2. Birth weight | < 2.500 g (n = 138) | ≥ 2.500 g (n = 136) |  |  |
Enterococcus-positive | 38 (27.5%) | 25 (18.4%) | 1.498 (0.959–2.340) | 0.085 |
aMDR-enterococcus-positive | 25 (18.1%) | 11 (8.1%) | 2.240 (1.148–4.371) | 0.019 |
 | < 1.000 g (n = 27) | ≥ 1.000 g (n = 247) |  |  |
Enterococcus-positive | 11 (40.7%) | 52 (21.1%) | 1.935 (1.156–3.239) | 0.0293 |
aMDR-enterococcus-positive | 11 (40.7%) | 25 (10.1%) | 4.025 (2.237–7.244) | 0.0001 |
3. Prepartal hospitalization | ≥ 3 days (n = 49) | < 3 days (n = 224) |  |  |
Enterococcus-positive | 11 (22.4%) | 52 (23.2%) | 0.967 (0.546–1.714) | 1.000 |
aMDR-enterococcus-positive | 7 (14.3%) | 29 (12.9%) | 1.108 (0.516–2.383) | 0.816 |
4. Prepartal antibiotics | ≥ 1 day (n = 54) | < 1 day (n = 216) |  |  |
Enterococcus-positive | 16 (29.6%) | 42 (19.4%) | 1.460 (0.893–2.388) | 0.146 |
aMDR-enterococcus-positive | 12 (22.2%) | 21 (9.7%) | 2.286 (1.201–4.351) | 0.019 |
5. Delivery mode | Cesarean section (n = 174) | Vaginal delivery (n = 100) | Â | Â |
Enterococcus-positive | 42 (24.1%) | 21 (21.0%) | 1.149 (0.724–1.826) | 0.655 |
aMDR-enterococcus-positive | 28 (16.1%) | 8 (8.0%) | 2.011 (0.954–4.243) | 0.0641 |
6. Maternal rectovaginal colonization | Enterococcus-positive (n = 53) | Enterococcus-negative (n = 47) | Â | Â |
Enterococcus-positive | 9 (17.0%) | 8 (17.0%) | 0.998 (0.419–2.374) | 1.000 |
aMDR-enterococcus-positive | 1 (1.9%) | 2 (2.1%) | 0.443 (0.042–4.737) | 0.600 |
7. PROM b | ≥ 24 hours (n = 17) | < 24 hours (n = 248) |  |  |
Enterococcus-positive | 2 (11.8%) | 58 (23.4%) | 0.478 (0.128–1.791) | 0.376 |
aMDR-enterococcus-positive | 2 (11.8%) | 32 (12.9%) | 0.912 (0.238–3.488) | 1.000 |