Data
9,226 items of data are available, covering 4,613 participants.
Defined-instances run from 2 to 3, labelled using Instancing
2.
Units of measurement are mm3.
| Maximum | 6242.5 |
| Decile 9 | 3045.1 |
| Decile 8 | 2687.75 |
| Decile 7 | 2481.1 |
| Decile 6 | 2317.55 |
| Median | 2174.2 |
| Decile 4 | 2030.25 |
| Decile 3 | 1896.45 |
| Decile 2 | 1752.7 |
| Decile 1 | 1564.65 |
| Minimum | 427.7 |
|
|
- Mean = 2255.49
- Std.dev = 616.308
- 37 items above graph maximum of 4525.55
|
2 Instances
Instance 2 : Imaging visit (2014+)
4,613 participants, 4,613 items
| Maximum | 6063.8 |
| Decile 9 | 3005.15 |
| Decile 8 | 2655.2 |
| Decile 7 | 2454.55 |
| Decile 6 | 2287.65 |
| Median | 2146.65 |
| Decile 4 | 2006.15 |
| Decile 3 | 1870.9 |
| Decile 2 | 1731.7 |
| Decile 1 | 1544.35 |
| Minimum | 427.7 |
|
|
- Mean = 2226.94
- Std.dev = 609.129
- 19 items above graph maximum of 4465.95
|
Instance 3 : First repeat imaging visit (2019+)
4,613 participants, 4,613 items
| Maximum | 6242.5 |
| Decile 9 | 3081.5 |
| Decile 8 | 2720.05 |
| Decile 7 | 2509.8 |
| Decile 6 | 2349.5 |
| Median | 2194.2 |
| Decile 4 | 2056.2 |
| Decile 3 | 1927 |
| Decile 2 | 1777.85 |
| Decile 1 | 1595 |
| Minimum | 578 |
|
|
- Mean = 2284.03
- Std.dev = 622.096
- 18 items above graph maximum of 4568
|
Notes
Volume of the 4th ventricle in the whole brain generated by subcortical volumetric segmentation (aseg) with the longitudinal processing option in FreeSurfer.
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