Table 3 Cause of death in relation to year of birth.

From: The value of autopsy in preterm infants at a Swedish tertiary neonatal intensive care unit 2002–2018

 

Both periods

Period 1 2002–2009

Period 2 2011–2018

p value

Total deaths (n)

265

105

160

Total deaths with determined cause of death (n)

260

101

159

Cause of death—number of cases (% of total)

n

n (%)

n (%)

 

Congenital anomalies

18

10 (9.9)

8 (5.0)

0.132

Neural anomaly

3

2 (2.0)

1 (0.6)

0.562

Cardiac anomaly

3

2 (2.0)

1 (0.6)

0.562

Other anomaly

9

3 (3.0)

6 (3.8)

1.000

Chromosomal abnormalities

3

3 (3.0)

0 (0.0)

0.058

Asphyxia

17

10 (9.6)

7 (4.4)

0.080

Intrauterine

8

4 (4.0)

4 (2.5)

0.715

Perinatal

8

6 (5.9)

2 (1.3)

0.059

Postnatal

1

0 (0.0)

1 (0.6)

1.000

Respiratory

75

31 (30.7)

44 (27.3)

0.674

RDS

10

7 (6.9)

3 (1.9)

0.039

BPD

12

5 (5.0)

7 (4.4)

0.837

Pulmonary hypoplasia

20

8 (7.9)

12 (7.5)

0.912

PPHN

10

5 (5.0)

5 (3.1)

0.461

Pneumothorax

5

1 (1.0)

4 (2.5)

0.651

Haemothorax

4

3 (3.0)

1 (0.6)

0.302

Miscellaneous

14

2 (2.0)

12 (7.5)

0.087

IVH

22

13 (12.9)

9 (5.7)

0.042

Infection/sepsis

41

19 (18.8)

22 (13.8)

0.283

Early

11

3 (3.0)

8 (5.0)

0.537

Late

30

16 (15.8)

14 (8.8)

0.083

NEC

45

5 (5.0)

40 (25.2)

< 0.001

NEC with Sepsis

16

2 (2.0)

14 (8.8)

0.053

NEC without sepsis

29

3 (3.0)

26 (16.4)

0.001

Other

42

13 (12.9)

29 (18.2)

0.252

Shock/anemia/bleeding

8

1 (1.0)

7 (4.4)

0.156

Volvulus/malrotation

4

1 (1.0)

3 (1.9)

1.000

Isolated spontaneous intestinal perforation

4

0 (0.0)

4 (2.5)

0.160

Metabolic/electrolyte/endocrine disorders

4

2 (2.0)

2 (1.3)

0.643

Tumor

3

0 (0.0)

3 (1.9)

0.285

Twin-twin transfusion syndrome

2

2 (1.0)

1 (0.6)

0.562

CNS-related

3

1 (1.0)

2 (1.3)

1.000

Other

8

4 (4.0)

4 (2.5)

0.715

Prematurity

3

2 (2.0)

1 (0.6)

0.562

Unknown

2

0 (0.0)

2 (1.3)

0.523