Table 9.
Descriptive Statistics for DTI metrics by psychosis level
| DTI metric | 22q11.2DS no psychosis | 22q11.DS + prodromal psychosis | 22q11.2DS + overt psychosis | |||
|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | |
| RH UF number streamlines | 145.488 | 123.879 | 165.000 | 91.459 | 103.750 | 38.638 |
| RH IFOF FA | .702 | .023 | .715 | .016 | .743 | .053 |
| RH IFOF RD | .00036 | .000026 | .00034 | .000023 | .00031 | .000058 |
| RH CB FA | .609 | .028 | .062 | .027 | .587 | .019 |
| RH CB RD | .00042 | .000031 | .00041 | .000030 | .00043 | .000032 |
| RH ILF RD | .00039 | .000028 | .00038 | .000039 | .00039 | .000035 |
| LH IFOF FA | .692 | .025 | .688 | .027 | .679 | .019 |
| LH IFOF RD | .00037 | .000028 | .00037 | .000032 | .00038 | .000026 |
| LH CB AD | .00133 | .000031 | .00133 | .000046 | .00128 | .000012 |
22q11.2DS, 22q11.2 deletion syndrome; RH, right hemisphere; IFOF, inferior fronto-occipital fasciculus; FA, fractional anisotropy; RD, radial diffusivity; CB, cingulum bundle; ILF, inferior longitudinal fasciculus; LH, left hemisphere; AD, axial diffusivity
Statistically significant differences identified in italics