Mean scores of visualization and delimitation for phase, magnitude, and combined images and parameters producing good visualization and delimitation
Phase | Magnitude | Combined | |
---|---|---|---|
Mean score visibility | 3.47 | 0.99 | 2.03 |
Mean score delimitation | 2.08 | 0.28 | 1.35 |
No. cases with score 4 or 5 for visibility | 44 | 2 | 9 |
No. cases with score 4 or 5 for delimitation | 10 | 0 | 1 |
Mean TE (+ range) producing good STN visualization (score, 4 or 5) | 20.0 ms (12.5–25.3) | 25.3 ms (No range) | 18.6 ms (16.1–25.3) |
Mean TE (+ range) producing good STN delimitation (score, 4 or 5) | 21.6 ms (16.1–25.3) | No cases with good delimitation | 20.7 (only 1 case) |
Mean SENSE (+ range) producing good STN visualization (score, 4 or 5) | 1.4 (1–1.8) | 1.4 (1–1.8) | 1.1 (1–1.8) |
Mean SENSE (+ range) producing good STN delimitation (score, 4 or 5) | 1.36 (1–1.8) | No cases with good delimitation | 1.5 (only 1 case) |
Mean acquisition time (+ range) producing good STN visualization (score, 4 or 5) | 169 seconds (87.5–264) | 205.5 seconds (150–261) | 191 seconds (128–263) |
Mean acquisition time (+ range) producing good STN delimitation (score, 4 or 5) | 182.8 seconds (148–263) | No cases with good delimitation | 154 seconds (only 1 case) |
Note:—STN indicates subthalamic nuclei; SENSE, sensitivity encoding.