Altered structural brain networks at term-equivalent age in preterm infants with grade 1 intraventricular hemorrhage

Table 3 Mean network value in preterm infants

Variable	Extremely preterm < 28 wks (n = 21)	Very preterm 28 to 32 wks (n = 18)	Moderate to late preterm 33 to 36 wks (n = 16)	P value among groups	Adjusted P^a among groups
Bi Clustering coef.	0.573 ± 0.024	0.556 ± 0.032	0.564 ± 0.024	0.201	0.471
Bi Local eff.	0.770 ± 0.021	0.759 ± 0.027	0.761 ± 0.021	0.305	0.701
Bi cPL	1.910 ± 0.090	1.882 ± 0.091	1.897 ± 0.046	0.583	0.684
Bi Global eff.	0.599 ± 0.023	0.606 ± 0.025	0.601 ± 0.012	0.573	0.501
Bi Small-worldness	1.543 ± 0.147	1.486 ± 0.177	1.462 ± 0.095	0.221	0.882
wFA Clustering coef.	0.091 ± 0.009	0.089 ± 0.013	0.088 ± 0.006	0.629	0.471
wFA Local eff.	0.145 ± 0.012	0.144 ± 0.020	0.140 ± 0.009	0.524	0.701
wFA cPL	0.283 ± 0.020	0.277 ± 0.034	0.275 ± 0.018	0.654	0.684
wFA Global eff.	4.085 ± 0.310	4.176 ± 0.454	4.226 ± 0.237	0.454	0.501
wFA small-worldness	1.464 ± 0.168	1.396 ± 0.187	1.361 ± 0.090	0.128	0.921

^acontrolling for sex, BPD, and age at MRI scan as covariates in preterm infants
Data are the means ± SD or number (%)
Bi Binary; wFA FA weighted; SE standard error; cPL Characteristic path length; GMH germinal matrix hemorrhage; BPD bronchopulmonary dysplasia

ISSN: 1824-7288