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Table 2 Pathogen distribution among infants in each subgroup and period

From: Trends in the incidence and associated factors of late-onset sepsis associated with improved survival in extremely preterm infants born at 23–26 weeks’ gestation: a retrospective study

 

23–24 weeks’ gestation

25–26 weeks’ gestation

Total, 23–26 weeks’ gestation

Period I (n = 21)

Period II (n = 31)

Period I (n = 26)

Period II (n = 12)

Period I (n = 47)

Period II (n = 43)

Gram (+)

6 (28.5)

19 (61.3) *

18 (69.2)

7 (59.3)

24 (51.5)

26 (60.5)

CoNS

2 (9.5)

7 (22.6)

6 (23.1)

3 (25)

8 (17.0)

10 (23.3)

Staphylococcus aureus

3 (14.3)

3 (9.7)

6 (23.1)

1 (8.3)

9 (19.1)

4 (9.3)

Enterococcus

0 (0)

6 (19.4) *

3 (11.5)

1 (8.3)

3 (6.4)

7 (16.3)

Streptococcus group B

1 (4.8)

3 (9.7)

1 (3.8)

1 (8.3)

2 (4.3)

4 (9.3)

 Others

0 (0)

0 (0)

2 (7.7)

1 (8.3)

2 (4.3)

1 (2.3)

Gram (−)

8 (38.1)

10 (32.3)

5 (19.2)

5 (41.7)

13 (27.7)

15 (34.9)

Enterobacter

2 (9.5)

2 (6.5)

1 (3.8)

2 (16.7)

3 (6.4)

4 (9.3)

Escherichia coli

0 (0)

2 (6.5)

1 (3.8)

2 (16.7)

1 (2.1)

4 (9.3)

Klebsiella

1 (4.8)

2 (6.5)

2 (7.7)

0 (0)

3 (6.4)

2 (4.7)

Pseudomonas

3 (14.3)

0 (0) *

0 (0)

0 (0)

3 (6.4)

0 (0)

Acinetobacter

1 (4.8)

1 (3.2)

1 (3.8)

0 (0)

2 (4.3)

1 (2.3)

 Others

1 (4.8)

3 (9.7)

0 (0)

1 (8.3)

1 (2.1)

4 (9.3)

Fungus

7 (33.3)

2 (6.5) *

3 (11.5)

0 (0)

10 (21.3)

2 (4.7) *

Candida albicans

6 (28.6)

1 (3.2) *

3 (11.5)

0 (0)

9 (19.1)

1 (2.3) *

Caddida parapsilosis

1 (4.8)

1 (3.2)

0 (0)

0 (0)

1 (2.1)

1 (2.3)

  1. Data are presented as number (percentage). Organisms counts differ from the frequency of infants with late-onset sepsis due to multiple episodes. CoNS, Coagulase Negative Staphylococcus. * p < 0.05 compared to period I