Table 5.
Volunteers | Mean | Inter-scanner (intra-volunteer) | Inter-volunteer (intra-scanner) | Intra-scanner (intra-volunteer) | ICCinter | ICCintra | |||
---|---|---|---|---|---|---|---|---|---|
DWI – IVIM – D | Overall | GM | ×10−3 mm2 s−1 | 0.7495 | ±0.0207 | ±0.0186 | ±0.0159 | 0.63 | 0.37 |
CV | 2.8% | 2.5% | 2.1% | ||||||
WM | ×10−3 mm2 s−1 | 0.6506 | ±0.0249 | ±0.0115 | ±0.0108 | 0.84 | 0.16 | ||
CV | 3.8% | 1.8% | 1.7% | ||||||
Cerebellum | Cortex (GM) | ×10−3 mm2 s−1 | 0.7283 | ±0.0577 | ±0.0139 | ±0.0272 | 0.82 | 0.18 | |
CV | 7.9% | 1.9% | 3.7% | ||||||
WM | ×10−3 mm2 s−1 | 0.6491 | ±0.0501 | ±0.0083 | ±0.0381 | 0.63 | 0.37 | ||
CV | 7.7% | 1.3% | 5.9% | ||||||
Brain stem | All | ×10−3 mm2 s−1 | 0.6819 | ±0.0665 | NE | ±0.0505 | 0.63 | 0.37 | |
CV | 9.8% | NE | 7.4% | ||||||
Cerebrum | WM | ×10−3 mm2 s−1 | 0.7035 | ±0.0294 | ±0.0098 | ±0.0157 | 0.78 | 0.22 | |
CV | 4.2% | 1.4% | 2.2% | ||||||
Basal ganglia | ×10−3 mm2 s−1 | 0.7184 | ±0.0308 | ±0.0145 | ±0.0209 | 0.68 | 0.32 | ||
CV | 4.3% | 2.0% | 2.9% | ||||||
Thalamus | ×10−3 mm2 s−1 | 0.7367 | ±0.0040 | ±0.0178 | ±0.0213 | 0.78 | 0.22 | ||
CV | 5.4% | 2.4% | 2.9% | ||||||
Choroid plexus | ×10−3 mm2 s−1 | 1.8489 | ±0.2281 | ±0.1443 | ±0.2077 | 0.55 | 0.45 | ||
CV | 12.3% | 7.8% | 11.2% | ||||||
Optic chiasm | ×10−3 mm2 s−1 | 0.9730 | ±0.0755 | ±0.0962 | ±0.2815 | 0.07 | 0.93 | ||
CV | 7.8% | 9.9% | 28.9% |