GA < 32 (n = 1407, 100%) | GA < 28 (n = 480, 34.1%)* | |||||||
---|---|---|---|---|---|---|---|---|
Class I pathogens | Class III pathogens | Class I pathogens | Class III pathogens | |||||
(a)OR (95% CI) | p value | (a)OR (95% CI) | p value | (a)OR (95% CI) | p value | (a)OR (95% CI) | p value | |
Gestational age (weeks) | 0.9 (0.8–1.0) | 0.13 | n.a | n.a | 0.9 (0.7–1.1) | 0.15 | n.a | n.a |
Birth weight (g) | 1.0 (1.0–1.0) | 0.61 | n.a | n.a | n.a | n.a | n.a | n.a |
Admitting hospital | ||||||||
I | 1 | 1 | 1 | |||||
II | 1.4 (1.0–2.0) | 0.08 | 2.1 (1.5–2.7) | < 0.01 | 1.8 (1.0–3.3) | 0.05 | n.a | n.a |
III | 0.1 (0.0–0.2) | < 0.01 | 1.5 (1.2–2.0) | 0.01 | 0.1 (0.0–0.3) | < 0.01 | ||
Prenatal ABX | 1.2 (0.8–1.7) | 0.47 | n.a | n.a | 1.3 (0.7–2.3) | 0.53 | n.a | n.a |
pPROM | 1.2 (0.8–1.9) | 0.33 | n.a | n.a | 1.4 (0.8–2.5) | 0.21 | n.a | n.a |
Mode of delivery | ||||||||
Spontaneous | 1 | 1 | 1 | |||||
Elective C/S | 1.0 (0.5–1.8) | 0.89 | n.a | n.a | 0.7 (0.3–1.7) | 0.43 | 1.2 (0.6–2.3) | 0.58 |
Emergency C/S | 1.2 (0.7–2.1) | 0.56 | 0.9 (0.4–1.9) | 0.73 | 1.8 (0.9–3.5) | 0.09 |