Table.
GAG concentrations at different zones with different CS under-sampling factors
| (a) using 2D sampling patterns
| ||||||
|---|---|---|---|---|---|---|
| UF | 1 | 2 | 4 | 8 | 16 | |
| K-space Utilization | 100% | 50% | 25% | 12.5% | 6.25% | |
| GAG [mg/ml] | SZ (Error) | 30.90±1.90 (0.0%) | 30.86±1.91 (0.13%) | 30.92±1.85 (0.06%) | 31.19±1.87 (0.93%) | 30.63±1.45 (0.87%) |
| TZ (Error) | 56.44±2.94 (0.0%) | 56.65±2.83 (0.37%) | 56.64±2.76 (0.37%) | 55.89±2.79 (0.97%) | 56.84±2.80 (0.71%) | |
| URZ (Error) | 79.93±2.31 (0.0%) | 80.59±2.25 (0.83%) | 80.71±2.58 (0.97%) | 81.11±2.44 (1.47%) | 80.47±2.26 (0.68%) | |
| LRZ (Error) | 108.63±4.00 (0.0%) | 109.56±5.42 (0.86%) | 110.07±4.48 (1.33%) | 109.05±5.74 (0.39%) | 111.06±5.21 (2.24%) | |
| (b) using 1D sampling patterns
| ||||||
|---|---|---|---|---|---|---|
| UF | 1 | 2 | 4 | 8 | 16 | |
| K-space Utilization | 100% | 50% | 25% | 12.5% | 6.25% | |
| GAG [mg/ml] | SZ (Error) | 30.90±1.90 (0.0%) | 30.92±1.95 (0.06%) | 31.08±1.88 (0.58%) | 31.73±1.84 (2.69%) | 32.42±1.41 (4.92%) |
| TZ (Error) | 56.44±2.94 (0.0%) | 56.73±2.98 (0.51%) | 56.17±2.65 (0.48%) | 54.48±2.56 (3.47%) | 52.06±3.13 (7.76%) | |
| URZ (Error) | 79.93±2.31 (0.0%) | 80.27±2.54 (0.43%) | 79.42±2.51 (0.64%) | 81.94±2.14 (2.51%) | 77.21±2.54 (3.41%) | |
| LRZ (Error) | 108.63±4.00 (0.0%) | 109.77±5.13 (1.05%) | 109.99±4.16 (1.25%) | 101.37±5.98 (6.68%) | 124.03±5.54 (14.18%) | |
*
UF: under-sampling factors; SZ: superficial zone; TZ: transitional zone; URZ: upper radial zone; LRZ: lower radial zone.