Table 1 Demographics and MRI sequence parameters of datasets used in this work.
From: Deep-learning-enabled brain hemodynamic mapping using resting-state fMRI
Training and Validation (5-fold cross validation) | Additional clinical test | Reproducibility test | Spatial resolution dependency test | ||||||
|---|---|---|---|---|---|---|---|---|---|
Healthy | Moyamoya | Brain tumor | Stroke | Healthy | Stroke | Healthy | |||
N | 169 | 49 | 14 | 38 | 67 | 30 | 8 | ||
Age, yr (mean ± s.d. (range)) | 51±20 (20-88) | 41±12 (18-72) | 42±18 (21-81) | 55±13 (27-87) | 52±18 (24-90) | 57±13 (24-80) | 27±5 (23-38) | ||
Female | 104 | 43 | 5 | 15 | 42 | 11 | 3 | ||
rs-fMRI Sequence Parameters | |||||||||
No. Scans | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 |
Repetition Time, ms | 2000 | 1510 | 1550 | 2000 | 2000 | 2000 | 720 | 720 | 720 |
Echo Time, ms | 25 | 21 | 21 | 30 | 25 | 30 | 37 | 37 | 37 |
Flip Angle, ° | 80 | 90 | 90 | 75 | 80 | 75 | 52 | 52 | 52 |
Field of View, mm2 | 220 × 220 | 205 × 205 | 205 × 205 | 240 × 240 | 220 × 220 | 240 × 240 | 208 × 208 | 210 × 210 | 210 × 210 |
Slice Number | 43 | 36 | 36 | 35 | 43 | 35 | 72 | 64 | 56 |
Slice-thickness, mm | 3.5 | 4.2 | 3.5 | 4 | 3.5 | 4 | 2 | 2.4 | 3 |
Gap, mm | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
In-plane resolution, mm2 | 3.4 × 3.4 | 3.2 × 3.2 | 3.2 × 3.2 | 3.0 × 3.0 | 3.4 × 3.4 | 3.0 × 3.0 | 2.0 × 2.0 | 2.4 × 2.4 | 3.0 × 3.0 |
Scan Duration, min | 5 | 9.3 | 9.4 | 7 | 5 | 7 | 10 | 10 | 10 |
Other Relevant Sequences | T1, Hypercapnic BOLD | T1, Hypercapnic BOLD, TOF-MRA | T1, Hypercapnic BOLD, T2-FLAIR | T1, T2-FLAIR, DWI | T1, Hypercapnic BOLD | T1 | T1, Hypercapnic BOLD | ||
