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Table 3 Comparing the demographic and clinical features, ABG findings, and neonatal outcomes in pregnancies with GDM that received non-medical (lifestyle modification) and medical treatments

From: Comparing umbilical cord arterial blood gas findings in pregnancies with and without gestational diabetes mellitus following elective cesarean section: a multicenter retrospective cohort study in Iran

Variable

Groups

Non-medical (n = 47)

Medical (n = 40)

P-value

Age; y

 

32.4 ± 5.7 [18.2, 42.0]

34.2 ± 6.4 [18.1, 42.9]

0.180b

BMI; kg/m2

 

30.4 ± 5.7 [19.4, 48.5]

29.2 ± 3.0 [25.3, 37.4]

0.201b

Gravida; n

 

2.5 ± 1.0 [1.0, 5.0]

3.3 ± 1.2 [1.0, 6.0]

0.002b

Gestational age at delivery; w

 

38.5 ± 0.8 [37.0, 40.0]

38.3 ± 0.7 [37.0, 40.0]

0.400b

Conception

Spontaneous

42 (89.4)

5 (10.6)

0.009c

 

ART

26 (65.0)

14 (35.0)

 

pH

 

7.3 ± 0.1 [7.0, 7.5]

7.3 ± 0.1 [7.0, 7.5]

0.482b

PCO2; mmHg

 

48.4 ± 10.1 [33.2, 79.0]

46.6 ± 9.7 [28.9, 74.9]

0.419b

PO2; mmHg

 

13.1 ± 5.0 [6.2, 25.8]

13.1 ± 5.7 [2.1, 29.0]

0.965b

HCO3; mEq/L

 

22.7 ± 3.0 [16.5, 27.9]

23.0 ± 3.2 [17.3, 30.9]

0.712b

BD; mEq/L

 

-1.6 ± 3.6 [-14.2, 2.9]

-2.0 ± 4.0 [-15.3, 3.9]

0.659

Birthweight; g

 

3368.3 ± 610.9 [1884.0, 4760.0]

3118.9 ± 614.7 [1843.5, 4392.5]

0.062b

1-minute Apgar score

 

8.2 ± 1.2 [4.4, 9.0]

7.2 ± 1.3 [4.0, 9.0]

0.001b*†

5-minute Apgar score

 

9.4 ± 0.7 [7.2, 10.0]

8.8 ± 1.0 [7.0, 10.0]

0.001b*†

Resuscitation at birth

 

8 (17.0)

17 (42.5)

0.009c*†

NICU admission

 

11 (23.4)

19 (47.5)

0.018c

  1. Abbreviations: ABG = arterial blood gas, ART = assisted reproductive technology, BD = base deficit, BMI = body mass index, GDM = gestational diabetes mellitus, HCO3 = bicarbonate, NICU = neonatal intensive care unit, pH = potential of hydrogen, PCO2 = partial pressure of carbon dioxide, PO2 = partial pressure of oxygen
  2. The categorical data are presented as numbers (percentages) and continuous data as mean ± standard deviation [95% confidence interval]
  3. Independent t-test
  4. Chi-square test
  5. * The observed difference remained statistically significant (P-value < 0.05) after adjusting the analysis for age, BMI, gravidity, gestational age at delivery, and type of conception
  6. † The observed difference remained statistically significant (P-value < 0.05) after adjusting the analysis for age, BMI, gravidity, gestational age at delivery, type of conception, and presence of an umbilical cord arterial pH < 7.2