Table 4 Relationship between Various Parameters and Umbilical pH

Age (years)

28.75 ± 5.38

29.50 ± 5.21

31.20 ± 3.75

30.12 ± 3.66

29.43 ± 4.29

BMI (kg/m2)

33.75 ± 3.86

35.50 ± 3.39

35.57 ± 3.35

33.95 ± 2.04

32.59 ± 2.45

Parity

1.5(1–3)

1.5(1–4)

2(0–3)

2(0–3)

1(0–4)

Frequency of previous abortions

0.5(0–1)

0(0–2)

0(0–1)

0(0–2)

0(0–3)

Previous CS

1.5(1–3)

1.5(1–3)

2(0–3)

2(0–3)

1(0–4)

Baseline SBP (mmHg) ( just before

induction of spinal anesthesia)

107.5 ± 5

114.50 ± 8.46

113.00 ± 7.61

110.37 ± 7.49

110.51 ± 8.36

Minimum SBP (mmHg)

87.5 ± 13.23

84.5 ± 15.73

88.43 ± 12.56

86.67 ± 6.65

90.24 ± 4.35

Decrease in SBP (mmHg)

20 ± 12.25

30 ± 21.85

24.57 ± 14.2

23.70 ± 9.03

20.28 ± 7.27

Baseline MAP (mmHg) ( just before

induction of spinal anesthesia)

79 ± 6.16

82 ± 2.76

83.80 ± 5.16

82.56 ± 5.41

81.69 ± 5.25

Minimum MAP (mmHg)

53 ± 4.16

53.17 ± 4.12

55.47 ± 4.64

57.23 ± 4.23

63.57 ± 4.11

Decrease in MAP (mmHg)

26 ± 6.06

28.83 ± 5.74

28.1 ± 6.83

24.84 ± 6.28

18.2 ± 5.32

Duration of the longest

hypotension episode (min)

4.25 ± 1.71

4.33 ± 2.42

4.40 ± 2.31

3.46 ± 1.07

2.97 ± 2.45

Dose of vasopressor (ephedrine) (mg)

12.25 ± 2.5

12.33 ± 5.65

12.17 ± 3.82

12.02 ± 2.84

10.91 ± 3.02

Base deficit (mmol/l)

18.28 ± 3.47

14.68 ± 3.28

14.42 ± 3.26

8.59 ± 2.61

6.11 ± 3.07

Fetal birth weight (gm)

3325 ± 263

3183.3 ± 222.9

3366.7 ± 349.7

3334.2 ± 172.7

3336.6 ± 169.6

Apgar 1 min

7.75 ± 0.5

7.83 ± 0.98

7.70 ± 0.65

8.18 ± 0.83

8.33 ± 0.79

Apgar 5 min

8.25 ± 0.5

8.17 ± 0.75

8.17 ± 0.75

8.46 ± 1.21

8.67 ± 1.27