Within-site and cross-site imprecisions averaged from 9 subjects
| ROI | Method | Within-Site Imprecision (ppm) | Cross-Site Imprecision (ppm) |
|---|---|---|---|
| Caudate nucleus | Iterative QSM | 0.0054 (10.0%) | 0.0059 (11.0%) |
| Deterministic QSM | 0.0087 (17.9%) | 0.0107 (21.9%) | |
| Putamen | Iterative QSM | 0.0037 (9.3%) | 0.0038 (9.5%) |
| Deterministic QSM | 0.0048 (8.3%) | 0.0061 (10.6%) | |
| Globus pallidus | Iterative QSM | 0.0044 (3.4%) | 0.0054 (4.1%) |
| Deterministic QSM | 0.0056 (3.4%) | 0.0068 (4.1%) | |
| Red nucleus | Iterative QSM | 0.0113 (18.4%) | 0.0115 (18.7%) |
| Deterministic QSM | 0.0091 (9.3%) | 0.0103 (10.6%) | |
| Substantia nigra | Iterative QSM | 0.0099 (15.2%) | 0.0121 (18.6%) |
| Deterministic QSM | 0.0081 (8.2%) | 0.0108 (11.1%) |