| Hospital1 (N=332) |
Hospital2 (N=88) |
Hospital3 (N=137) |
Overall (N=557) |
|
|---|---|---|---|---|
| ModelName | ||||
| Achieva | 13 (3.9%) | 0 (0%) | 0 (0%) | 13 (2.3%) |
| Aera | 22 (6.6%) | 0 (0%) | 0 (0%) | 22 (3.9%) |
| DISCOVERY MR750 | 243 (73.2%) | 0 (0%) | 0 (0%) | 243 (43.6%) |
| DISCOVERY MR750w | 0 (0%) | 36 (40.9%) | 8 (5.8%) | 44 (7.9%) |
| Ingenia | 45 (13.6%) | 0 (0%) | 0 (0%) | 45 (8.1%) |
| Ingenia CX | 0 (0%) | 0 (0%) | 1 (0.7%) | 1 (0.2%) |
| MAGNETOM_ESSENZA | 0 (0%) | 1 (1.1%) | 0 (0%) | 1 (0.2%) |
| Multiva | 3 (0.9%) | 0 (0%) | 0 (0%) | 3 (0.5%) |
| Prisma | 0 (0%) | 0 (0%) | 20 (14.6%) | 20 (3.6%) |
| Signa HDxt | 0 (0%) | 1 (1.1%) | 0 (0%) | 1 (0.2%) |
| Skyra | 0 (0%) | 25 (28.4%) | 0 (0%) | 25 (4.5%) |
| TrioTim | 0 (0%) | 0 (0%) | 108 (78.8%) | 108 (19.4%) |
| uMR 790 | 6 (1.8%) | 0 (0%) | 0 (0%) | 6 (1.1%) |
| Verio | 0 (0%) | 25 (28.4%) | 0 (0%) | 25 (4.5%) |
| MagneticField | ||||
| 1.5 | 25 (7.5%) | 2 (2.3%) | 0 (0%) | 27 (4.8%) |
| 3 | 307 (92.5%) | 86 (97.7%) | 137 (100%) | 530 (95.2%) |
| bValue | ||||
| 800 | 3 (0.9%) | 4 (4.5%) | 1 (0.7%) | 8 (1.4%) |
| 1000 | 0 (0%) | 42 (47.7%) | 5 (3.6%) | 47 (8.4%) |
| 1200 | 0 (0%) | 17 (19.3%) | 6 (4.4%) | 23 (4.1%) |
| 1400 | 329 (99.1%) | 6 (6.8%) | 0 (0%) | 335 (60.1%) |
| 1500 | 0 (0%) | 19 (21.6%) | 109 (79.6%) | 128 (23.0%) |
| 2000 | 0 (0%) | 0 (0%) | 16 (11.7%) | 16 (2.9%) |
| ReconstructionDiameter | ||||
| Median [Q1,Q3] | 240 [220,240] | 221 [200,240] | 250 [250,250] | 240 [220,240] |
| SliceThickness | ||||
| Median [Q1,Q3] | 4.00 [4.00,4.00] | 3.00 [3.00,3.50] | 4.00 [4.00,4.00] | 4.00 [4.00,4.00] |
| SliceSpacing | ||||
| Median [Q1,Q3] | 4.00 [4.00,4.00] | 3.60 [3.30,4.50] | 4.80 [4.80,4.80] | 4.00 [4.00,4.60] |
| PixelSpacing | ||||
| Median [Q1,Q3] | 0.938 [0.938,0.982] | 0.938 [0.877,1.63] | 1.30 [1.30,1.30] | 0.938 [0.938,1.30] |
| ScanningSequence | ||||
| EP | 6 (1.8%) | 51 (58.0%) | 128 (93.4%) | 185 (33.2%) |
| EP\SE | 243 (73.2%) | 37 (42.0%) | 8 (5.8%) | 288 (51.7%) |
| RM | 22 (6.6%) | 0 (0%) | 1 (0.7%) | 23 (4.1%) |
| SE | 61 (18.4%) | 0 (0%) | 0 (0%) | 61 (11.0%) |
| RepetitionTime | ||||
| Median [Q1,Q3] | 2690 [2640,3170] | 4800 [4090,5850] | 2500 [2500,2800] | 2710 [2500,4480] |
| EchoTime | ||||
| Median [Q1,Q3] | 61.1 [60.0,61.7] | 73.2 [63.0,90.0] | 91.0 [91.0,91.0] | 62.0 [60.6,77.4] |
| NumberOfAverage | ||||
| Median [Q1,Q3] | 16.0 [14.0,16.0] | 6.00 [4.00,6.00] | 12.0 [12.0,12.0] | 12.0 [6.00,16.0] |
| NumberofPhaseEncodingSteps | ||||
| Median [Q1,Q3] | 88.0 [88.0,93.0] | 100 [84.0,100] | 134 [134,134] | 100 [88.0,134] |
| PhaseEncodingDirection | ||||
| COL | 329 (99.1%) | 84 (95.5%) | 137 (100%) | 550 (98.7%) |
| ROW | 3 (0.9%) | 4 (4.5%) | 0 (0%) | 7 (1.3%) |
| EchoTrainLength | ||||
| Median [Q1,Q3] | 1.00 [1.00,1.00] | 1.00 [1.00,42.0] | 1.00 [1.00,1.00] | 1.00 [1.00,1.00] |
| PercentPhaseFieldOfView | ||||
| Median [Q1,Q3] | 100 [100,100] | 100 [85.0,100] | 100 [100,100] | 100 [100,100] |
| PixelBandwidth | ||||
| Median [Q1,Q3] | 1950 [1950,1950] | 1630 [1210,1950] | 1300 [1300,1300] | 1950 [1300,1950] |
| FlipAngle | ||||
| 90 | 310 (93.4%) | 88 (100%) | 137 (100%) | 535 (96.1%) |
| 180 | 22 (6.6%) | 0 (0%) | 0 (0%) | 22 (3.9%) |