Table 1 Demographic and clinical characteristics of the preterm infants that completed the study.

From: The impact of different types of brain injuries on cerebral perfusion in preterm infants: an arterial spin labeling

 

healthy infants (n = 108)

IVH infants

(n = 26)

PVL infants

(n = 16)

P-value

Neonatal characteristics

 GA at birth, (weeks, median)

29.50 (28.33, 30.57)

28.93 (26.82, 31.14)

29.14 (28.46, 30.25)

0.471

 Birth weight, (g, mean ± SD)

1158.15 ± 241.57

1214.23 ± 365.90

1358.44 ± 363.23

0.028

 Male, n (%)

65 (60.2)

15 (57.7)

10 (62.5)

0.951

 SGA, n (%)

17 (15.7)

1 (3.8)

2 (12.5)

0.358

 Singleton births, n (%)

80 (74.1)

14 (53.8)

8 (50.0)

0.037

 5 min Apgar score, (median)

9.0 (8.0, 9.0)

9.0 (8.0, 10.0)

9.0 (7.25, 9.0)

0.411

 Cesarean section births, n (%)

83 (76.9)

12 (46.2)

15 (93.8)

0.001

Maternal characteristics

 Gestational diabetes*, n (%)

24 (22.2)

3 (11.5)

3 (18.8%)

0.058

 Pregnancy hypertension, n (%)

29 (26.9)

6 (23.1)

4 (25.0%)

0.469

 Fetal distress, n (%)

36 (33.3)

3 (11.5)

3 (18.8%)

0.052

 Chorioamnionitis, n (%)

11 (10.2)

1 (3.8)

1 (6.3%)

0.718

 PROM > 18 h, n (%)

32 (29.6)

8 (30.8)

4 (25.0%)

0.916

 Amniotic fluid contamination, n (%)

9 (12.2.0)

5 (23.8)

4 (21.1%)

0.313

Treatment of premature infants

 Duration of MV, (days, median)

31.10 (23.73, 42.97)

43.87 (16.99, 64.53)

33.00 (26.66, 42.81)

0.308

 PMA at MRI scan, (weeks, median)

36.22 (35.29, 37.71)

37.00 (35.64, 38.21)

35.57 (34.82, 37.15)

0.116

 Latest HCT at MRI, (mean ± SD)

28.96 ± 3.92

32.17 ± 5.24

31.72 ± 5.89

0.001

 Sepsis, n (%)

15 (13.8)

6 (23.1)

1 (6.3%)

0.333

 NEC stage ≥ 2, n (%)

15 (13.9)

7 (26.9)

3 (18.8%)

0.249

 BPD, n (%)

26 (24.1)

12 (46.2)

4 (25.0%)

0.076

 hs-PDA, n (%)

16 (14.8)

11 (42.3)

5 (31.3%)

0.005

  1. IVH, intracranial hemorrhage; PVL, periventricular leukomalacia; GA, gestational age; SGA, small for gestational age; PROM, premature rupture of membranes; MV, mechanical ventilation; PMA, postmenstrual age; MRI, magnetic resonance imaging; HCT, hematocrit; NEC, necrotizing enterocolitis; BPD, bronchopulmonary dysplasia; PDA, patent ductus arteriosus.