Table 1 Demographic characteristics of neonates with CDH by 1-month mortality status

Sample size

142

97

45

Sex (%)

Female

64 (45.1)

44 (45.4)

20 (44.4)

1.000

Male

78 (54.9)

53 (54.6)

25 (55.6)

Delivery (%)

Caesarean birth

115 (81.0)

76 (78.4)

39 (86.7)

0.345

Eutocia

27 (19.0)

21 (21.6)

6 (13.3)

GA of prenatal diagnosis(weeks)

25.00

27.00

23.00

< 0.001

[23.00, 31.00]

[24.00, 32.00]

[22.00, 25.00]

GA at birth (weeks)

37.50

37.50

37.25

0.103

[37.00, 38.10]

[37.10, 38.20]

[36.00, 38.00]

Birth weight (kg)

3.00

3.02

2.80

0.071

[2.60, 3.31]

[2.76, 3.32]

[2.32, 3.20]

o/e LHR

50.83 (15.27)

55.71 (14.23)

40.32 (11.81)

< 0.001

Liver herniation (%)

False

93 (65.5)

72 (74.2)

21 (46.7)

0.002

True

49 (34.5)

25 (25.8)

24 (53.3)

Cardiac anomalies (%)

False

126 (88.7)

85 (87.6)

41 (91.1)

0.776

True

16 (11.3)

12 (12.4)

4 (8.9)

CDH affected side (%)

Left

110 (77.5)

79 (81.4)

31 (68.9)

0.147

Right

32 (22.5)

18 (18.6)

14 (31.1)

Severity of PH

Trivial and mild

83 (58.5)

70 (72.2)

13 (28.9)

< 0.001

Moderate and severe

59 (41.5)

27 (27.8)

32 (71.1)

Diameter of defect (cm)

3.75

3.50

4.00

0.002

[3.00, 4.00]

[3.00, 4.00]

[3.50, 5.00]

OI

4.02

2.96

17.62

< 0.001

[2.51, 10.42]

[2.31, 5.03]

[8.53, 28.10]