Table 2.
Test/re-test and intra reliability of myelin water fraction in a subset of participants with stroke.
| ROI | Reliability analysis | Cronbach's α | ICC (± CI95%) | F test | df | p value |
|---|---|---|---|---|---|---|
| Test/re-test | ||||||
| Whole-cerebrum NAWM | 0.96 | 0.92 (0.70–0.98) | 22.47 | 9 | < 0.0001⁎ | |
| Contralesional PLIC | 0.83 | 0.70 (0.17–0.92) | 5.71 | 9 | 0.008⁎ | |
| Ipsilesional PLIC | 0.99 | 0.98 (0.92–0.99) | 100.48 | 9 | < 0.0001⁎ | |
| Inter-rater | ||||||
| Contralesional PLIC | 0.93 | 0.87 (0.57–0.97) | 14.73 | 9 | < 0.0001⁎ | |
| Ipsilesional PLIC | 0.95 | 0.91 (0.69–0.98) | 21.89 | 9 | < 0.0001⁎ | |
ROI: region of interest, ICC: Intraclass correlation coefficient, CI: confidence interval, df: degrees of freedom, NAWM: normal-appearing white matter, PLIC: posterior limb internal capsule.
⁎
p < 0.05.