Table 7.
Comparison of within-scanner motion parameters for major depression disorder (MDD); DVARS: temporal derivative of time courses cf. Power 2012, FD: frame wise displacement cf. Van Dijk et al., 2012, RMS: variance over voxels cf. Satterthwaite et al., 2013. SD: standard deviation.
| MDD patients |
Healthy controls |
Statistical comparison p-values |
|
|---|---|---|---|
| Mean ± SD | Mean ± SD | t-Test/ranksum | |
| DVARS | |||
| Entire group | 1.31 ± 0.30 | 1.29 ± 0.26 | 0.6299/0.8420 |
| Göttingen | 1.22 ± 0.21 | 1.18 ± 0.17 | 0.2894/0.4819 |
| Aachen | 1.52 ± 0.32 | 1.55 ± 0.26 | 0.6464/0.6414 |
| Munich | 1.22 ± 0.30 | 1.20 ± 0.19 | 0.7448/0.8365 |
| FD | |||
| Entire group | 0.26 ± 0.14 | 0.25 ± 0.11 | 0.3909/0.6490 |
| Göttingen | 0.26 ± 0.15 | 0.23 ± 0.11 | 0.2773/0.4606 |
| Aachen | 0.28 ± 0.14 | 0.31 ± 0.11 | 0.5243/0.4376 |
| Munich | 0.24 ± 0.10 | 0.21 ± 0.08 | 0.2905/0.3119 |
| RMS | |||
| Entire group | 0.19 ± 0.10 | 0.18 ± 0.08 | 0.3891/0.6195 |
| Göttingen | 0.19 ± 0.11 | 0.17 ± 0.08 | 0.3067/0.4441 |
| Aachen | 0.21 ± 0.10 | 0.22 ± 0.08 | 0.5895/0.4119 |
| Munich | 0.17 ± 0.07 | 0.15 ± 0.06 | 0.3054/0.3119 |