Total (n = 1,460)
Negative for ESBL-E (n = 1,396) Positive for ESBL-E (n = 64)
P-value
Gestational age at delivery (wk) 31.0 (26.1–33.9) 26.6 (23.0–31.8) <0.001*
Cesarean section (%) 51.9 (724/1,396) 56.3 (36/64) 0.492**
Abortion (%) 4.0 (56/1,396) 9.38 (6/64) 0.038**
Stillbirth (%) 4.4 (62/1,396) 7.8 (5/64) 0.208**
Histologic chorioamnionitis (%) 46.6 (650/1,396) 59.4 (38/64) 0.045**
Total (n = 1,616)
Negative for ESBL-E (n = 1,550) Positive for ESBL-E (n = 66)
P-value
Sex (male) (%) 56.2 (871/1,550) 47.0 (31/66) 0.180***
Birth weight (kg) 1.64 (0.95–2.15) 1.07 (0.76–1.73) <0.001*
Small for gestational age (%) 6.7 (105/1,550) 12.1 (8/66) 0.094***
1-min Apgar score of <4 (%) 9.4 (145/1,550) 9.1 (6/66) 0.943***
5-min Apgar score of <7 (%) 11.2 (174/1,550) 12.1 (8/66) 0.821***
Neonatal mortality (%) 5.9 (92/1,550) 10.6 (7/66) 0.207***
Neonatal intensive care unit admission rate (%) 86.6 (1,343/1,550) 93.9 (62/66) 0.098***
EONS (%) 2.5 (39/1,550) 7.6 (5/66) 0.040***
Proven EONS (%) 1.1 (17/1,550) 6.0 (4/66) 0.002***
Suspected EONS (%) 1.4 (22/1,550) 1.5 (1/66) 0.948***
Late-onset neonatal sepsis (%) 4.1 (64/1,550) 6.1 (4/66) 0.521***