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Table 3 Incidence of neonatal morbidities and their temporal trends over the years

From: Population based trends in mortality, morbidity and treatment for very preterm- and very low birth weight infants over 12 years

 

BPDa No. (%)

NECb No. (%)

IVHc No. (%)

PVLd No. (%)

PDAe No. (%)

RDSf No. (%)

ROPg No. (%)

Sepsis No. (%)

1996 - 2008 1 (n = 2983)

470 (15.7)

76 (2.5)

176 (5.9)

66 (2.2)

584 (19.6)

2428 (81.4)

38 (1.2)

291 (9.8)

19961 (n = 702)

125 (17.8)

23 (3.3)

43 (6.1)

12 (1.7)

105 (15.0)

550 (78.3)

13 (1.9)

60 (8.5)

20001 (n = 750)

104 (13.9)

22 (2.9)

51 (6.8)

18 (2.4)

128 (17.1)

584 (77.9)

4 (0.5)

81 (10.8)

20041 (n = 728)

123 (16.9)

17 (2.3)

49 (6.7)

21 (2.9)

148 (20.3)

615 (84.5)

9 (1.2)

65 (8.9)

20081 (n = 803)

118 (14.7)

14 (1.7)

33 (4.1)

15 (1.9)

203 (25.3)

679 (84.6)

12 (1.5)

85 (10.6)

p-value 1996-2008

0.02

0.01

0.02

0.71

< 0.001

< 0.001

0.40

0.03

Gender

        

   - female

217 (14.8)

42 (2.9)

75 (5.1)

39 (2.7)

300 (20.5)

1156 (79.1)

14 (1.0)

130 (8.9)

   - male

251 (16.5)

34 (2.2)

100 (6.6)

27 (1.8)

284 (18.7)

1272 (83.6)

22 (1.4)

161 (10.6)

Location of birth

        

   - inborn2

417 (15.5)

65 (2.3)

149 (5.5)

59 (2.2)

529 (19.6)

2205 (81.7)

30 (1.1)

267 (9.9)

   - outborn

51 (18.0)

11 (3.9)

26 (9.2)

7 (2.5)

55 (19.4)

223 (78.5)

6 (2.1)

24 (8.5)

Mode of delivery3

        

   - spontaneous

100 (19.0)

11 (2.1)

42 (8.0)

10 (1.9)

105 (19.9)

428 (81.2)

13 (2.5)

51 (9.7)

   - caesarean section

353 (15.0)

63 (2.7)

118 (5.0)

53 (2.3)

450 (19.2)

1914 (81.5)

21 (0.9)

234 (10.0)

Number of infants

        

   - singleton

365 (17.7)

59 (2.9)

129 (6.2)

53 (2.6)

426 (20.6)

1715 (83.1)

32 (1.5)

216 (10.5)

   - multiples

103 (11.2)

17 (1.9)

46 (5.0)

13 (1.4)

158 (17.2)

713 (77.7)

4 (0.4)

75 (8.2)

Gestational age4

        

   < 26

103 (38.7)

16 (6.0)

46 (17.3)

10 (3.8)

111 (41.7)

249 (93.6)

20 (7.5)

55 (20.7)

   26-27

180 (37.0)

17 (3.5)

59 (12.1)

13 (2.7)

183 (37.7)

466 (95.9)

9 (1.9)

98 (20.2)

   28-29

123 (18.0)

18 (2.6)

48 (7.0)

16 (2.3)

160 (23.4)

624 (91.1)

6 (0.9)

80 (11.7)

   30-31

50 (4.4)

18 (1.6)

21 (1.9)

22 (2.0)

113 (10.0)

889 (79.0)

1 (0.1)

42 (3.7)

  1. 1 infants who died in the delivery room were excluded, 2 born in one of the nine perinatal centres, 3 cephalic forceps and cephalic ventouse deliveries were not listed separately, 4 children born > 32 completed gestational weeks were not listed separately, a bronchopulmonary dysplasia, b necrotising enterocolitis, c intraventricular haemorrhage grade III or IV, d cystic periventricular leucomalacia, e patent ductus arteriosus, f respiratory distress syndrome, g retinopathy of prematurity grade 3 or 4