Table 4.
Summary of data acquisition error identified with 10% difference TKV threshold in 109 exams. * Some exams had more than one error.
| All Sequences (n = 545) | MR Exams * (n = 109) |
Axial T2 (n = 109) |
Coronal T2 (n = 109) |
Axial T1 (n = 109) |
Axial SSFP (n = 109) |
Coronal SSFP (n = 109) |
|
|---|---|---|---|---|---|---|---|
| Data Acquisition Problem | Count (%) | ||||||
| Breathing during 2D scan | 35 (6%) | 27 (25%) | 12 (2%) | 19 (4%) | 0 (0%) | 1 (0%) | 3 (1%) |
| Different breath-hold positions | 25 (5%) | 21 (19%) | 7 (1%) | 0 (0%) | 13 (2%) | 5 (1%) | 0 (0%) |
| Overlapping slices | 17 (3%) | 12 (11%) | 6 (1%) | 0 (0%) | 7 (1%) | 4 (1%) | 0 (0%) |
| Incomplete Kidneys | 4 (1%) | 4 (4%) | 0 (0%) | 0 (0%) | 4 (1%) | 0 (0%) | 0 (0%) |
| Total errors | 81 (15%) | 49 (45%) | 25 (5%) | 19 (4%) | 24 (4%) | 10 (2%) | 3 (1%) |