Data
46,237 items of data are available, covering 42,945 participants.
Defined-instances run from 2 to 3, labelled using Instancing
2.
Units of measurement are ratio.
| Maximum | 0.0274989 |
| Decile 9 | 0.0176616 |
| Decile 8 | 0.0167077 |
| Decile 7 | 0.0161315 |
| Decile 6 | 0.0156847 |
| Median | 0.0152951 |
| Decile 4 | 0.0149315 |
| Decile 3 | 0.0145712 |
| Decile 2 | 0.0141777 |
| Decile 1 | 0.0137092 |
| Minimum | 0.0111566 |
|
|
- Mean = 0.0155452
- Std.dev = 0.00166479
- 295 items above graph maximum of 0.0216141
|
2 Instances
Instance 2 : Imaging visit (2014+)
42,811 participants, 42,811 items
| Maximum | 0.0274989 |
| Decile 9 | 0.0177188 |
| Decile 8 | 0.0167514 |
| Decile 7 | 0.01617 |
| Decile 6 | 0.0157185 |
| Median | 0.0153278 |
| Decile 4 | 0.0149625 |
| Decile 3 | 0.0146023 |
| Decile 2 | 0.0142058 |
| Decile 1 | 0.0137295 |
| Minimum | 0.0111566 |
|
|
- Mean = 0.015582
- Std.dev = 0.00167885
- 265 items above graph maximum of 0.0217082
|
Instance 3 : First repeat imaging visit (2019+)
3,426 participants, 3,426 items
| Maximum | 0.0235692 |
| Decile 9 | 0.0168773 |
| Decile 8 | 0.0161339 |
| Decile 7 | 0.0156528 |
| Decile 6 | 0.0152535 |
| Median | 0.0148767 |
| Decile 4 | 0.0145586 |
| Decile 3 | 0.0142316 |
| Decile 2 | 0.0138987 |
| Decile 1 | 0.0135169 |
| Minimum | 0.0118571 |
|
|
- Mean = 0.0150856
- Std.dev = 0.00139852
- 12 items above graph maximum of 0.0202377
|
Notes
Inverted signal-to-noise ratio in the T1 - background spatial standard deviation divided by mean brain intensity
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