Skip to main content

Table 4 Mortality and morbidities of late-onset sepsis 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

Period I (n = 49)

Period II (n = 105)

Total (n = 154)

LOS (n = 17)

Control (n = 32)

LOS (n = 26)

Control (n = 79)

LOS (n = 43)

Control (n = 111)

Mortality

9 (52.9)

13 (40.6)

10 (38.5)

13 (16.5) #,*

19 (44.2)

26 (23.4) #

PDA

17 (100)

29 (90.6)

26 (100)

75 (94.8)

43 (100)

104 (93.7)

NEC ≥ stage 2b

3 (17.6)

2 (6.3)

7 (26.9)

7 (8.9) #

10 (23.3)

9 (8.1) #

BPD grade (≥ moderate)

11 (100)

15 (75.0) #

12 (63.2) *

49 (70.0)

23 (76.7)

64 (71.1)

IVH ≥ stage 3

4 (23.5)

11 (34.4)

11 (42.3)

28 (35.4)

15 (34.9)

39 (35.1)

ROP ≥ stage 3

8 (50.0)

11 (36.7)

12 (52.2)

33 (43.4)

20 (51.3)

44 (41.5)

25–26 weeks’ gestation

Period I (n = 75)

Period II (n = 135)

Total (n = 210)

LOS (n = 24)

Control (n = 51)

LOS (n = 12)

Control (n = 123)

LOS (n = 36)

Control (n = 174)

Mortality

3 (12.5)

5 (9.8)

1 (8.3)

11 (8.9)

4 (11.1)

16 (9.2)

PDA

23 (95.8)

48 (94.1)

11 (91.7)

105 (85.4)

34 (94.9)

153 (87.9)

NEC ≥ stage 2b

1 (4.2)

2 (3.9)

2 (16.7)

6 (4.9)

3 (8.3)

8 (4.6)

BPD grade (≥ moderate)

12 (54.5)

32 (68.1)

9 (81.8)

47 (42.0) #,*

21 (63.6)

79 (49.7)

IVH ≥ stage 3

3 (12.5)

5 (9.8)

1 (8.3)

16 (13.0)

4 (11.1)

12 (12.1)

ROP ≥ stage 3

11 (47.8)

21 (42.0)

6 (54.5)

27 (23.1) #,*

17 (50)

48 (28.7) #

Total, 23–26 weeks’ gestation

Period I (n = 124)

Period II (n = 240)

Total (n = 364)

LOS (n = 41)

Control (n = 83)

LOS (n = 38)

Control (n = 202)

LOS (n = 79)

Control (n = 285)

Mortality

12 (29.3)

18 (21.7)

11 (28.9)

24 (11.9) #*

23 (29.1)

42 (14.7) #

PDA

40 (97.6)

77 (92.8)

37 (97.4)

180 (89.1)

77 (97.5)

257 (90.2) #

NEC ≥ stage 2b

4 (9.8)

4 (4.8)

9 (23.7)

13 (6.4) #

13 (16.5)

17 (6.0) #

BPD grade (≥ moderate)

23 (69.7)

47 (70.1)

21 (70)

96 (52.7) *

44 (69.8)

143 (57.3)

IVH ≥ stage 3

7 (17.1)

16 (19.3)

12 (31.6)

44 (21.8)

19 (24.1)

60 (21.1)

ROP ≥ stage 3

19 (48.7)

32 (40)

18 (52.9)

60 (31.1) #

37 (50.7)

92 (33.7) #

  1. Data are presented as number (percentage)
  2. LOS late-onset sepsis, PDA patent ductus arteriosus, NEC necrotizing enterocolitis, BPD bronchopulmonary dysplasia, IVH intraventricular hemorrhage, ROP retinopathy of prematurity
  3. # p < 0.05 compared to LOS; * p < 0.05 compared to period I