Table 6.
Comparison of within-scan motion parameters for schizophrenia (SCZ); 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.
| SCZ patients |
Healthy controls |
Statistical comparison p-values |
|
|---|---|---|---|
| Mean ± SD | Mean ± SD | t-Test/ranksum | |
| DVARS | |||
| Entire group | 1.40 ± 0.30 | 1.35 ± 0.32 | 0.2695/0.1893 |
| Aachen | 1.58 ± 0.26 | 1.54 ± 0.24 | 0.6894/0.7196 |
| Aachen #2 | 1.20 ± 0.22 | 1.11 ± 0.16 | 0.2721/0.4336 |
| Utrecht | 1.80 ± 0.22 | 1.85 ± 0.18 | 0.5690/0.4274 |
| Göttingen | 1.22 ± 0.18 | 1.17 ± 0.19 | 0.2776/0.1388 |
| Lille | 1.62 ± 0.12 | 1.59 ± 0.23 | 0.7763/0.4894 |
| FD | |||
| Entire group | 0.28 ± 0.13 | 0.26 ± 0.10 | 0.1754/0.4405 |
| Aachen | 0.34 ± 0.17 | 0.30 ± 0.11 | 0.5297/0.9183 |
| Aachen #2 | 0.30 ± 0.15 | 0.26 ± 0.09 | 0.3639/0.7125 |
| Utrecht | 0.29 ± 0.11 | 0.25 ± 0.04 | 0.2769/0.8501 |
| Göttingen | 0.22 ± 0.07 | 0.23 ± 0.09 | 0.6033/0.8487 |
| Lille | 0.40 ± 0.12 | 0.33 ± 0.15 | 0.2953/0.1903 |
| RMS | |||
| Entire group | 0.21 ± 0.10 | 0.19 ± 0.07 | 0.1384/0.3902 |
| Aachen | 0.25 ± 0.13 | 0.22 ± 0.08 | 0.5226/0.6816 |
| Aachen #2 | 0.22 ± 0.11 | 0.19 ± 0.07 | 0.2936/0.4611 |
| Utrecht | 0.20 ± 0.08 | 0.17 ± 0.03 | 0.3041/0.7913 |
| Göttingen | 0.16 ± 0.05 | 0.16 ± 0.07 | 0.6251/0.8590 |
| Lille | 0.29 ± 0.10 | 0.23 ± 0.10 | 0.2178/0.1615 |