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 AU.
| Maximum | 30.9902 |
| Decile 9 | 26.8017 |
| Decile 8 | 26.1151 |
| Decile 7 | 25.6268 |
| Decile 6 | 25.1839 |
| Median | 24.7421 |
| Decile 4 | 24.2965 |
| Decile 3 | 23.8087 |
| Decile 2 | 23.2309 |
| Decile 1 | 22.3361 |
| Minimum | 2.3752 |
|
|
- Mean = 24.6298
- Std.dev = 1.85659
- 17 items below graph minimum of 17.8706
|
2 Instances
Instance 2 : Imaging visit (2014+)
4,613 participants, 4,613 items
| Maximum | 30.3185 |
| Decile 9 | 26.9723 |
| Decile 8 | 26.2462 |
| Decile 7 | 25.7343 |
| Decile 6 | 25.2843 |
| Median | 24.8629 |
| Decile 4 | 24.3989 |
| Decile 3 | 23.9274 |
| Decile 2 | 23.3807 |
| Decile 1 | 22.453 |
| Minimum | 2.3752 |
|
|
- Mean = 24.7616
- Std.dev = 1.85715
- 6 items below graph minimum of 17.9336
|
Instance 3 : First repeat imaging visit (2019+)
4,613 participants, 4,613 items
| Maximum | 30.9902 |
| Decile 9 | 26.6384 |
| Decile 8 | 26.0166 |
| Decile 7 | 25.5105 |
| Decile 6 | 25.0761 |
| Median | 24.6334 |
| Decile 4 | 24.1846 |
| Decile 3 | 23.697 |
| Decile 2 | 23.098 |
| Decile 1 | 22.2052 |
| Minimum | 5.1346 |
|
|
- Mean = 24.498
- Std.dev = 1.84664
- 11 items below graph minimum of 17.772
|
Notes
Grey-white contrast in precuneus in the left hemisphere calculated as a percentage of the mean gray-white matter intensity from Desikan-Killiany parcellation with the longitudinal processing option in FreeSurfer.
1 Related Data-Field
| Field ID | Description | Relationship |
|---|
| 43201 | Grey-white contrast in precuneus (ri ... | Current Field is the left-side counterpart of right-side Field 43201 |
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