Measure | Patients with first-episode MDD n = 76 | Healthy controls n = 66 | p value |
---|---|---|---|
Thickness-based network | |||
Local efficiency | |||
Original | 0.807 | 0.792 | 0.24 |
Random-null | 0.687 ± 0.006 | 0.687 ± 0.006 | |
Global efficiency | |||
Original | 0.671 | 0.692 | 0.021 |
Random-null | 0.801 ± 0.008 | 0.803 ± 0.008 | |
Targeted attack | |||
Original | 66.22 | 70.74 | 0.027 |
Random-null | 70.40 ± 1.42 | 70.51 ± 1.40 | |
Random attack | |||
Original | 71.61 | 73.16 | 0.007 |
Random-null | 72.78 ± 0.36 | 72.79 ± 0.38 | |
Surface area–based network | |||
Local efficiency | |||
Original | 0.759 | 0.759 | 0.94 |
Random-null | 0.762 ± 0.005 | 0.762 ± 0.006 | |
Global efficiency | |||
Original | 0.695 | 0.695 | 0.74 |
Random-null | 0.695 ± 0.0003 | 0.695 ± 0.0003 | |
Targeted attack | |||
Original | 73.34 | 72.99 | 0.29 |
Random-null | 73.01 ± 0.25 | 73.02 ± 0.26 | |
Random attack | |||
Original | 73.38 | 73.37 | 0.65 |
Random-null | 73.37 ± 0.24 | 73.38 ± 0.24 | |
Gyrification-based network | |||
Local efficiency | |||
Original | 0.834 | 0.823 | 0.37 |
Random-null | 0.825 ± 0.008 | 0.820 ± 0.009 | |
Global efficiency | |||
Original | 0.689 | 0.690 | 0.70 |
Random-null | 0.690 ± 0.002 | 0.690 ± 0.002 | |
Targeted attack | |||
Original | 71.00 | 72.00 | 0.37 |
Random-null | 71.58 ± 0.89 | 71.50 ± 0.97 | |
Random attack | |||
Original | 73.21 | 73.27 | 0.57 |
Random-null | 73.20 ± 0.11 | 73.19 ± 0.13 |
MDD = major depressive disorder.
↵* Global properties (averaged local efficiency and global efficiency) and resilience (targeted attack and random attack) of the 3 morphology covariance networks (thickness-based, surface area–based and gyrification-based) are presented. Values are mean ± standard deviation.