Table 2 Neonatal, sociodemographic and emotional-behavioral variables.

From: Reduced hippocampal subfield volumes and memory performance in preterm children with and without germinal matrix-intraventricular hemorrhage

 

High-risk preterm

n = 16

Mean ± SD

Low-risk preterm

n = 20

Mean ± SD

Full-term

n = 22

Mean ± SD

Statistics (p)

Neonatal data

GA. wk

[range]

28.00 ± 2.71

[25–36]

32.50 ± 1.36

[30–34]

39.50 ± 1.01

[38–41]

H = 47.62 (< .001)*

BW. g

1184.50 ± 559.18

1754.25 ± 451.55

3391.55 ± 356.96

H = 43.40 (< .001)*

Sociodemographic data

Gender. male/female

7/9

11/9

14/8

X2 = 1.48 (.48)

Age. yo [range]

9.56 ± 2.31 [6–14]

9.30 ± 0.66 [8–10]

9.27 ± 0.63 [8–10]

H = 0.07 (.97)

Handedness right-handed/left-handed

13/3

18/2

22/0

X2 = 4.21 (.12)

Parental education low/intermediate/high

4/8/4

4/4/12

3/4/15

X2 = 8.16 (.09)

Behavioral variables

Internalizing problemsa

6.89 ± 5.35

8.99 ± 6.12

7.81 ± 4.72

F = 0.77 (.52)

Externalizing problemsa

7.16 ± 6.61

9.36 ± 5.97

9.35 ± 5.61

F = 0.50 (.69)

Total behavioral problemsa

22.99 ± 13.06

25.47 ± 14.66

24.70 ± 14.66

F = 0.24 (.87)

  1. SD: standard deviation; GA: gestational age; wk: weeks; BW: birth weight; g: grams; yo: years; K: Kruskal–Wallis test; X2: Chi-square test; and F: Snedecor's F distribution. *Statistically significant differences between High-risk preterm < Low-risk preterm < Full-term.
  2. aAvailable data for internalizing problems, externalizing problems and total problems: 16 GM-IVH-preterm, 20 low-risk preterm and 21 term children.
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