Data
8,865 items of data are available, covering 8,865 participants.
Defined-instances run from 2 to 3, labelled using Instancing 
2.
| Maximum | 2.57 |  
| Decile 9 | 1.46 |  
| Decile 8 | 1.39 |  
| Decile 7 | 1.34 |  
| Decile 6 | 1.29 |  
| Median | 1.25 |  
| Decile 4 | 1.2 |  
| Decile 3 | 1.15 |  
| Decile 2 | 1.09 |  
| Decile 1 | 1 |  
| Minimum | 0.65 |  
 
 | 
 
 | 
- Mean = 1.23991
 
- Std.dev = 0.180601
 
- 1 item above graph maximum of 1.92
 
  | 
 
2 Instances
Instance 2 : Imaging visit (2014+)
7,066 participants, 7,066 items
| Maximum | 2.57 |  
| Decile 9 | 1.47 |  
| Decile 8 | 1.4 |  
| Decile 7 | 1.34 |  
| Decile 6 | 1.3 |  
| Median | 1.25 |  
| Decile 4 | 1.21 |  
| Decile 3 | 1.16 |  
| Decile 2 | 1.09 |  
| Decile 1 | 1.01 |  
| Minimum | 0.65 |  
 
 | 
 
 | 
- Mean = 1.24508
 
- Std.dev = 0.179246
 
- 1 item above graph maximum of 1.93
 
  | 
Instance 3 : First repeat imaging visit (2019+)
1,799 participants, 1,799 items
| Maximum | 1.8 |  
| Decile 9 | 1.455 |  
| Decile 8 | 1.38 |  
| Decile 7 | 1.32 |  
| Decile 6 | 1.27 |  
| Median | 1.22 |  
| Decile 4 | 1.175 |  
| Decile 3 | 1.12 |  
| Decile 2 | 1.06 |  
| Decile 1 | 0.97 |  
| Minimum | 0.67 |  
 
 | 
 
 | 
- Mean = 1.21957
 
- Std.dev = 0.184424
 
- 1 item above graph maximum of 1.8
 
  | 
 
Notes
Precision-weighted mean ATT (arterial transit time) in the cortex in voxels with >70% grey matter partial volume
0 Related Data-Fields
There are no related data-fields