Data
67,448 items of data are available, covering 62,802 participants.
Defined-instances run from 2 to 3, labelled using Instancing
2.
Units of measurement are mm3.
| Maximum | 213980 |
| Decile 9 | 75485.5 |
| Decile 8 | 62696 |
| Decile 7 | 54951 |
| Decile 6 | 49163.4 |
| Median | 44307.1 |
| Decile 4 | 39989.6 |
| Decile 3 | 35950.4 |
| Decile 2 | 31632 |
| Decile 1 | 26615 |
| Minimum | 8878.67 |
|
|
- Mean = 48471.8
- Std.dev = 20762.1
- 435 items above graph maximum of 124356
|
2 Instances
Instance 2 : Imaging visit (2014+)
62,665 participants, 62,665 items
| Maximum | 213980 |
| Decile 9 | 75605 |
| Decile 8 | 62838.9 |
| Decile 7 | 55056.2 |
| Decile 6 | 49245.9 |
| Median | 44354.4 |
| Decile 4 | 40037 |
| Decile 3 | 35984.9 |
| Decile 2 | 31676.1 |
| Decile 1 | 26652.3 |
| Minimum | 8878.67 |
|
|
- Mean = 48552
- Std.dev = 20827.6
- 402 items above graph maximum of 124558
|
Instance 3 : First repeat imaging visit (2019+)
4,783 participants, 4,783 items
| Maximum | 175612 |
| Decile 9 | 73565.4 |
| Decile 8 | 61107.1 |
| Decile 7 | 53887.7 |
| Decile 6 | 48012.5 |
| Median | 43705.6 |
| Decile 4 | 39518.9 |
| Decile 3 | 35503.6 |
| Decile 2 | 31122.4 |
| Decile 1 | 26316.8 |
| Minimum | 13397.3 |
|
|
- Mean = 47422
- Std.dev = 19854.4
- 27 items above graph maximum of 120814
|
Notes
Volume of ventricular cerebrospinal fluid (from T1 brain image, normalised for head size)
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