Data
502,883 items of data are available, covering 478,815 participants.
Defined-instances run from 0 to 2, labelled using Instancing
2.
Units of measurement are percent.
| Maximum | 72.48 |
| Decile 9 | 45.63 |
| Decile 8 | 44.1 |
| Decile 7 | 42.95 |
| Decile 6 | 41.97 |
| Median | 41.03 |
| Decile 4 | 40.13 |
| Decile 3 | 39.2 |
| Decile 2 | 38.15 |
| Decile 1 | 36.72 |
| Minimum | 0.05 |
|
|
- Mean = 41.0949
- Std.dev = 3.54903
- 619 items below graph minimum of 27.81
- 134 items above graph maximum of 54.54
|
3 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
477,638 participants, 477,638 items
| Maximum | 72.48 |
| Decile 9 | 45.64 |
| Decile 8 | 44.1 |
| Decile 7 | 42.94 |
| Decile 6 | 41.96 |
| Median | 41.02 |
| Decile 4 | 40.11 |
| Decile 3 | 39.2 |
| Decile 2 | 38.12 |
| Decile 1 | 36.7 |
| Minimum | 0.05 |
|
|
- Mean = 41.0854
- Std.dev = 3.55601
- 585 items below graph minimum of 27.76
- 127 items above graph maximum of 54.58
|
Instance 1 : First repeat assessment visit (2012-13)
19,390 participants, 19,390 items
| Maximum | 64.6 |
| Decile 9 | 45.4 |
| Decile 8 | 43.94 |
| Decile 7 | 42.9 |
| Decile 6 | 41.94 |
| Median | 41.1 |
| Decile 4 | 40.2 |
| Decile 3 | 39.3 |
| Decile 2 | 38.4 |
| Decile 1 | 37 |
| Minimum | 1.3 |
|
|
- Mean = 41.1308
- Std.dev = 3.37332
- 26 items below graph minimum of 28.6
- 9 items above graph maximum of 53.8
|
Instance 2 : Imaging visit (2014+)
5,855 participants, 5,855 items
| Maximum | 55.16 |
| Decile 9 | 46.18 |
| Decile 8 | 44.66 |
| Decile 7 | 43.535 |
| Decile 6 | 42.52 |
| Median | 41.67 |
| Decile 4 | 40.82 |
| Decile 3 | 39.94 |
| Decile 2 | 38.94 |
| Decile 1 | 37.535 |
| Minimum | 2.02 |
|
|
- Mean = 41.7496
- Std.dev = 3.48436
- 5 items below graph minimum of 28.89
- 1 item above graph maximum of 54.825
|
Notes
Result of "Haematocrit" assay, performed on blood sample, obtained from UK Biobank assessment centre visit. Haematocrit Percentage is the relative volume of packed erythrocytes to whole blood, computed by the formula: (red blood cells x mean corpuscular volume) / 10.
Analyser operating range was 0 to 99.9%
Typical reference range is 35.4 to 47.2%
4 Related Data-Fields
| Field ID | Description | Relationship |
|---|
| 30032 | Haematocrit acquisition time | Field 30032 is the original acquisition time of the sample generating the result in Current Field. |
| 30031 | Haematocrit freeze-thaw cycles | Field 30031 is the number of freeze-thaw cycles a sample underwent before generating the result in Current Field. |
| 30034 | Haematocrit percentage acquisition route | Field 30034 is the data route used to acquire the result in Current Field |
| 30033 | Haematocrit percentage device ID | Field 30033 is the ID of the device user to generate the result in Current Field |
