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Table 1 Comparison of maternal and infant characteristics, delivery room resuscitation, and infant baseline growth parameters by patent ductus arteriosus (PDA) treatment status

From: Association of patent ductus arteriosus treatment in extremely low gestational age neonates with two year kidney outcomes: a secondary analysis of the preterm erythropoietin neuroprotection trial (PENUT)

 

Treated PDA (n = 261)

No treatment of PDA (n = 345)

p-value*

Gestational age at birth n (%)

   

 24 Weeks

87 (33.3)

56 (16.2)

< 0.0001

 25 Weeks

83 (31.8)

68 (19.7)

 

 26 Weeks

50 (19.2)

94 (27.2)

 

27 Weeks

41 (15.7)

127 (36.8)

 

Female Sex

125 (47.9)

173 (50.1)

0.58

Maternal Race

   

 Black/African American n (%)

49 (18.8)

85 (24.6)

0.12

 Other n (%)

22 (8.4)

17 (4.9)

 

 Unknown n (%)

6 (2.3)

11 (3.2)

 

 White n (%)

184 (70.5)

232 (67.2)

 

Maternal Ethnicity

   

 Hispanic/Latino

55 (21.1)

80 (23.2)

0.46

 Not Hispanic/Latino

201 (77.0)

262 (75.9)

 

 Unknown

5 (1.9)

3 (0.9)

 

Multiple gestations (≥ 2 live born infants) n (%)

77 (29.5)

81 (23.5)

0.09

Diabetes n (%)

14 (5.4)

21 (6.1)

0.71

Hypertension n (%)

19 (7.3)

30 (8.7)

0.53

Pre-eclampsia n (%)

43 (16.5)

49 (14.2)

0.44

Prenatal steroids, n (%)

   

 None

19 (7.5)

25 (7.4)

0.28

 1 dose

59 (23.2)

61 (18.0)

 

 2 doses

160 (63.0)

220 (65.1)

 

 > 2 doses

16 (6.3)

32 (9.5)

 

Delivery room resuscitation

   

Apgar 1 min, median (IQR)

4 (2–6)

4 (2–6)

0.02

Apgar 5 min, median (IQR)

7 (5–8)

7 (6–8)

0.01

Infant baseline growth parameters

   

Small for Gestational Age n (%)

38 (14.6)

44 (12.8)

0.51

Birth weight, g, mean (SD)

772.8 (187.1)

846.3 (188.2)

< 0.0001

Birth length, cm, mean (SD)

32.1 (3.1)

33.7 (2.8)

< 0.0001

Occipitofrontal circumference, cm, mean (SD)

22.9 (2.3)

23.5 (1.7)

0.0003

  1. * Estimated from a chi-square or t-test/Wilcoxon rank sums test for categorical and continuous variables, respectively