Data
40,583 items of data are available, covering 39,680 participants.
Defined-instances run from 2 to 3, labelled using Instancing
2.
Units of measurement are mL.
| Maximum | 5852 |
| Decile 9 | 87 |
| Decile 8 | 75 |
| Decile 7 | 68 |
| Decile 6 | 63 |
| Median | 58 |
| Decile 4 | 54 |
| Decile 3 | 50 |
| Decile 2 | 46 |
| Decile 1 | 41 |
| Minimum | 2 |
|
|
- There are 372 distinct values.
- Mean = 64.1229
- Std.dev = 65.1857
- 442 items above graph maximum of 133
|
2 Instances
Instance 2 : Imaging visit (2014+)
39,600 participants, 39,600 items
| Maximum | 5852 |
| Decile 9 | 86 |
| Decile 8 | 75 |
| Decile 7 | 68 |
| Decile 6 | 63 |
| Median | 58 |
| Decile 4 | 54 |
| Decile 3 | 50 |
| Decile 2 | 46 |
| Decile 1 | 41 |
| Minimum | 2 |
|
|
- There are 363 distinct values.
- Mean = 64.0673
- Std.dev = 65.5796
- 446 items above graph maximum of 131
|
Instance 3 : First repeat imaging visit (2019+)
983 participants, 983 items
| Maximum | 748 |
| Decile 9 | 90 |
| Decile 8 | 77 |
| Decile 7 | 71 |
| Decile 6 | 65 |
| Median | 60 |
| Decile 4 | 55 |
| Decile 3 | 50 |
| Decile 2 | 46 |
| Decile 1 | 41 |
| Minimum | 7 |
|
|
- There are 114 distinct values.
- Mean = 66.3601
- Std.dev = 46.5749
- 13 items above graph maximum of 139
|
Notes
Left ventricular end systolic volume
Please be aware that the inline VF results are fully automated without any expert quality control. Caution is advised to use results without any visual quality control or linear bias correction as recommended in the following paper: Fully-automated left ventricular mass and volume MRI analysis in the UK Biobank population cohort: evaluation of initial results. Suinesiaputra, A. et al. Int J Cardiovasc Imaging. 2018 (https://dx.doi.org/10.1007%2Fs10554-017-1225-9). Expert research groups are performing CMR analysis with quality control and these will be available in the Returns Catalogue.
1 Related Data-Field
| Field ID | Description | Relationship |
|---|
| 20203 | Liver imaging - gradient echo - DICOM | Current Field is derived from Field 20203 |
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