Table 1: Baseline characteristics of the study cohorts.

CharacteristicsNeonates with acquisition of infections with ESBL-producing organisms
( )
Neonates with acquisition of infections with non-ESBL-producing organisms
( )

Median age in days at onset of sepsis (IQR)1 (1–7)3 (3–9)
Mean gestational age in weeks (SD)29 (3.2)37 (4.2)
Gender
 Male (%)7 (88)29 (75)
 Female (%)1 (12)10 (25)
Birthweight (%)
1000 g3 (38)2 (5)
 1000–1499 g3 (38)5 (13)
 1500–2499 g2 (25)17 (44)
2500 g0 (0)15 (39)
Preterm delivery (%)7 (88)13 (33)
Place of birth (%)
 Inborn1 (12)2 (5)
 Outborn7 (88)37 (95)
 Hospital8 (100)30 (77)
Mode of delivery (%)
 Vaginal delivery4 (50)26 (67)
 Cesarean 3 (38)12 (30)
 Assisted delivery0 (0)1 (3)
 Breech1 (25)0 (0)
Meconium stained amniotic fluid (%)1 (25)14 (36)
Risk factors for sepsis (%)3 (38%)14 (36)
Clinical signs of sepsis (%)5 (63)30 (77)
Positive sepsis screen (%)3 (38)19 (49)
Early onset sepsis (%)5 (63)23 (59)
Late onset sepsis (%)3 (38)16 (41)
Median days of hospital stay (IQR)61 (39–91)19 (11–21)
Median days of level 3 stay (IQR)54 (35–77)11 (7–22)
Median days of level 2 stay (IQR)8 (4–11)6 (2–8)
Outcome (%)
 Expired2 (25)6 (15)

ESBL: extended-spectrum beta-lactamase; IQR: interquartile range; SD: standard deviation.