Table 6 Global metrics (mean and standard deviation) by group for functional connectivity
From: Brain connectomes in youth at risk for serious mental illness: an exploratory analysis
| Â | Healthy controls | Stage 0 | Stage 1a | Stage 1b | Transition |
|---|---|---|---|---|---|
n | 33 | 31 | 37 | 61 | 9 |
Connectome Density | 0.32 (0.03) | 0.32 (0.03) | 0.32 (0.03) | 0.32 (0.03) | 0.32 (0.03) |
Connectome Intensity | 0.43 (0.03) | 0.44 (0.03) | 0.43 (0.03) | 0.43 (0.03) | 0.42 (0.04) |
Assortativity (z-score) | 12.86 (6.18) | 15.42 (6.97) | 13.64 (5.66) | 13.48 (5.65) | 9.25 (4.6) |
Hierarchy (z-score) | -0.45 (3.39) | -2.16 (2.81) | -0.61 (1.72) | -0.97 (2.35) | -0.39 (3.38) |
Network efficiency | |||||
 Global | 0.64 (0.02) | 0.65 (0.01) | 0.64 (0.02) | 0.64 (0.02) | 0.64 (0.01) |
 Local | 0.80 (0.02) | 0.80 (0.02) | 0.80 (0.02) | 0.80 (0.02) | 0.80 (0.03) |
Small world | |||||
 Clustering coefficient | 0.61 (0.04) | 0.61 (0.04) | 0.60 (0.04) | 0.61 (0.05) | 0.60 (0.05) |
 ϒ (Gamma) | 1.80 (0.14) | 1.73 (0.13) | 1.77 (0.17) | 1.78 (0.15) | 1.79 (0.13) |
 λ (Lambda) | 1.03 (0.01) | 1.02 (0.01) | 1.02 (0.01) | 1.02 (0.01) | 1.02 (0.01) |
 Shortest path length | 1.56 (0.04) | 1.55 (0.03) | 1.56 (0.04) | 1.56 (0.04) | 1.56 (0.04) |
 σ (Sigma) | 1.75 (0.13) | 1.69 (0.12) | 1.73 (0.16) | 1.74 (0.14) | 1.75 (0.12) |
 Synchronization (z-score) | -38.64 (14.21) | -37.77 (14.95) | -32.34 (15.97) | -34.98 (14.89) | -45.35 (25.61) |