Data
2,999 items of data are available, covering 2,999 participants.
Some values have special meanings defined by Data-Coding
819.
| Maximum | 2020-07-01 |
| Decile 9 | 1979-01-30 |
| Decile 8 | 1966-02-01 |
| Decile 7 | 1960-08-01 |
| Decile 6 | 1957-05-01 |
| Median | 1955-02-01 |
| Decile 4 | 1953-02-23 |
| Decile 3 | 1951-07-01 |
| Decile 2 | 1949-11-01 |
| Decile 1 | 1947-07-01 |
| Minimum | 1940-01-01 |
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- There are 735 distinct values.
- Mean = 1960-08-03
- 170 items above graph maximum of 2010-09-01
- 27 items have value 1903-03-03 (Code has event date after participant's date of birth and falls in the same calendar year as date of birth)
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Notes
Date of the first occurrence of any code mapped to 3-character ICD10 A37. The code corresponds to "whooping cough". Note that events which were apparently before birth were omitted when constructing this data field.
Coding 819 defines 5 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"
- 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 |
|---|
| 130063 | Source of report of A37 (whooping cough) | Field 130063 indicates the source of the outcome first reported in Current Field. |
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