Data
9,562 items of data are available, covering 9,562 participants.
Some values have special meanings defined by Data-Coding
819.
| Maximum | 2025-07-01 |
| Decile 9 | 2005-07-01 |
| Decile 8 | 1990-07-01 |
| Decile 7 | 1981-07-01 |
| Decile 6 | 1975-10-01 |
| Median | 1971-07-01 |
| Decile 4 | 1967-09-01 |
| Decile 3 | 1964-05-01 |
| Decile 2 | 1960-09-01 |
| Decile 1 | 1956-07-01 |
| Minimum | 1942-07-01 |
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- There are 1431 distinct values.
- Mean = 1976-01-02
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Notes
Date of the first occurrence of any code mapped to 3-character ICD10 K37. The code corresponds to "unspecified appendicitis". 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 |
|---|
| 131609 | Source of report of K37 (unspecified ... | Field 131609 indicates the source of the outcome first reported in Current Field. |
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