Table 2.
Network measures of the left and right hemisphere in the preterm and term infants.
| Variables | Left | Right | ||||
|---|---|---|---|---|---|---|
| Preterm (n = 64) | Term (n = 33) | P value* | Preterm (n = 64) | Term (n = 33) | P value* | |
| Global brain network | ||||||
| Local efficiency | 0.778 ± 0.036 | 0.762 ± 0.049 | 0.425 | 0.790 ± 0.042 | 0.775 ± 0.051 | 0.587 |
| Global efficiency | 0.674 ± 0.029 | 0.673 ± 0.026 | 0.519 | 0.682 ± 0.032 | 0.684 ± 0.028 | 0.081 |
| Path length | 1.694 ± 0.078 | 1.704 ± 0.083 | 0.523 | 1.675 ± 0.095 | 1.675 ± 0.084 | 0.113 |
| Small-worldness | 1.219 ± 0.116 | 1.191 ± 0.107 | 0.623 | 1.179 ± 0.108 | 1.180 ± 0.105 | 0.717 |
| Betweenness centrality of FLC | ||||||
| mFOG | 0.019 ± 0.024 | 0.010 ± 0.014 | 0.169 | 0.006 ± 0.008 | 0.007 ± 0.011 | 0.079 |
| STG | 0.048 ± 0.042 | 0.046 ± 0.042 | 0.599 | 0.039 ± 0.023 | 0.047 ± 0.036 | 0.830 |
| Amygdala | 0.001 ± 0.005 | 0.001 ± 0.001 | 0.107 | 0.001 ± 0.002 | 0.001 ± 0.001 | 0.570 |
| Hippocampus | 0.007 ± 0.009 | 0.005 ± 0.007 | 0.082 | 0.004 ± 0.004 | 0.008 ± 0.019 | 0.155 |
Data are presented as the mean ± SD.
FLC fronto-limbic circuit, mFOG medial fronto-orbital gyrus, STG superior temporal gyrus.
*Adjusted for sex, age at MRI scan and bronchopulmonary dysplasia.