Table 5 Demographic characteristics and risk factors for EOS of the study subjects (n = 265)
Characteristics | 34 weeks’ GA (n = 27) | 35–36 weeks’ GA (n = 68) | ≥ 37 weeks’ GA (n = 170) |
|---|---|---|---|
Birth weight (range in kg) | 1.56–2.86 | 1.39–3.82 | 1.51–4.49 |
Birth weight ≤ 1500 g, n (%) | 0 (0.0) | 2 (2.9) | 0 (0.0) |
SGA, n (%) | 0 (0.0) | 6 (8.8) | 7 (4.1) |
Gender, n (%) | |||
Male | 19 (70.4) | 36 (52.9) | 100 (58.8) |
Female | 8 (29.6) | 32 (47.1) | 70 (41.2) |
Mode of delivery, n (%) | |||
Vaginal | 6 (22.2) | 12 (17.6) | 132 (77.6) |
Cesarean section | 21 (77.8) | 56 (82.4) | 38 (22.4) |
Multiple births/Total births, (%) | 8/19 (42.1) | 11/56 (19.6) | 1/169 (0.6) |
APGAR ≥7 at 5 min, n (%) | 27 (100.0) | 66 (97.1) | 170 (100.0) |
GBS status at birth, n (%) | |||
Negative | 15 (55.6) | 23 (33.8) | 59 (34.7) |
Positive | 2 (7.4) | 12 (17.6) | 92 (54.1) |
Unknown | 10 (37.0) | 33 (48.5) | 19 (11.2) |
Duration of ROM (range in hours) | 0–235 | 0–219 | 0–117 |
ROM ≥18 h, n (%) | 4 (14.8) | 11 (16.2) | 37 (21.8) |
IAP, n (%) | |||
Adequate | 4 (14.8) | 12 (17.6) | 23 (13.5) |
Inadequate | 23 (85.2) | 56 (82.4) | 147 (86.5) |
Previous infant affected by invasive GBS disease, n (%) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
GBS bacteriuria during any trimester of the current pregnancy, n (%) | 0 (0.0) | 3 (4.4) | 6 (3.5) |
Maternal intrapartum temperature ≥ 38.0 °C, n (%) | 0 (0.0) | 0 (0.0) | 4 (2.3) |
Suspected intraamniotic infection, n (%) | 0 (0.0) | 1 (1.5) | 3 (1.8) |
GBS bacteriuria during any trimester of the current pregnancy and inadequate IAPa, n (%) | 0 (0.0) | 1 (1.5) | 5 (2.9) |
Positive GBS vaginal-rectal screening culture within 5 weeks before delivery and inadequate IAPa, n (%) | 0 (0.0) | 3 (4.4) | 77 (45.3) |
Unknown GBS maternal status at the onset of labor and inadequate IAPa, n (%) | 4 (14.8) | 8 (11.8) | 17 (10.0) |
ROM ≥18 h and inadequate IAP, n (%) | 0 (0.0) | 3 (4.4) | 24 (14.1) |
Suspected intraamniotic infection and inadequate IAP, n (%) | 0 (0.0) | 1 (1.5) | 1 (0.6) |
Maternal intrapartum temperature ≥ 38.0 °C and inadequate IAP, n (%) | 0 (0.0) | 0 (0.0) | 2 (1.2) |
Neonates with three clinical signs of EOS, n (%) | 0 (0.0) | 0 (0.0) | 2 (1.2) |
Neonates with two clinical signs and one risk factor for EOS, n (%) | 13 (48.1) | 8 (11.8) | 22 (12.9) |
Neonates with one or two clinical indicators of EOS, n (%) | 0 (0.0) | 50 (73.5) | 59 (34.7) |
High-risk patients, n (%) | 13 (48.1) | 11 (16.2) | 24 (14.1) |
Medium-risk patients, n (%) | 14 (51.9) | 57 (83.8) | 146 (85.9) |