Data
25,043 items of data are available, covering 25,043 participants.
Some values have special meanings defined by Data-Coding 
819.
| 
| Maximum | 2024-09-17 |  | Decile 9 | 2021-06-07 |  | Decile 8 | 2019-05-15 |  | Decile 7 | 2017-08-23 |  | Decile 6 | 2015-11-24 |  | Median | 2014-04-01 |  | Decile 4 | 2012-04-17 |  | Decile 3 | 2009-12-17 |  | Decile 2 | 2007-02-12 |  | Decile 1 | 2002-09-08 |  | Minimum | 1944-04-01 |  |   | 
There are 7543 distinct values.Mean = 2012-12-1779 items below graph minimum of 1983-12-101 items have value 1901-01-01 (Code has event date before participant's date of birth)3 items have value 1902-02-02 (Code has event date matching participant's date of birth) | 
Notes
Date of the first occurrence of any code mapped to 3-character ICD10 K22. The code corresponds to "other diseases of oesophagus". Note that events which were apparently before birth were omitted when constructing this data field.
Coding 819 defines 6 special values:
- 1900-01-01 represents "Code has no event date"
- 1901-01-01 represents "Code has event date before participant's date of birth"
- 1902-02-02 represents "Code has event date matching participant's date of birth"
- 1903-03-03 represents "Code has event date after participant's date of birth and falls in the same calendar year as date of birth"
- 1909-09-09 represents "Code has event date in the future and is presumed to be a place-holder or other system default"
- 2037-07-07 represents "Code has event date in the future and is presumed to be a place-holder or other system default"
1 Related Data-Field
| Field ID | Description | Relationship | 
|---|
| 131587 | Source of report of K22 (other disea ... | Field 131587 indicates the source of the outcome first reported in Current Field. | 
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