Severe neonatal acidosis pH < 7.00 n = 27

Neonatal acidosis pH > 7.00 n = 28

p

Overall (%a)

n

Percentage (%)

n

Percentage (%)

Maternal and Obstetrical Characteristics

Mean maternal age. years (mean. SD)

29.7 (5.10)

30.3 (5.2)

29.1 (5.0)

0.39

Weight*.kilogrammes

72 (62.0 - 86.5)

83.5 (61.3 - 95.8)

69.0 (62.0 - 74.0)

0.09

Smoking

8 (15.1)

3

11.5

5

18.5

0.70

Primiparity

20 (36.4)

10

37.0

10

35.7

0.92

Pastcesareandelevery

7 (12.7)

4

14.8

3

10.7

0.71

Pastneonataldeath

5 (9.1)

4

14.8

1

3.6

0.19

Current Pregnancy Characteristics

Singleton pregnancy

54 (98.2)

26

96.3

28

100

0.49

Gestational diabetes mellitus

13 (24.1)

7

26.9

6

21.4

0.64

Hypertensive disorders

7 (12.7)

4

14.8

3

10.7

0.71

Preeclampsia

5 (9.1)

2

7.4

3

10.7

1.00

Supected IUGR

2 (3.6)

1

3.7

1

3.6

1.00

Macrosomia

7 (12.7)

5

18.5

2

7.1

0.25

PROM

1 (1.8)

0

0

1

3.6

1.00