Data
1,946 items of data are available, covering 1,946 participants.
Some values have special meanings defined by Data-Coding
819.
| Maximum | 2011-09-12 |
| Decile 9 | 1999-08-08 |
| Decile 8 | 1995-07-11 |
| Decile 7 | 1990-01-01 |
| Decile 6 | 1986-09-08 |
| Median | 1982-11-17 |
| Decile 4 | 1979-09-12 |
| Decile 3 | 1976-02-28 |
| Decile 2 | 1973-01-01 |
| Decile 1 | 1969-04-22 |
| Minimum | 1959-01-01 |
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- There are 1503 distinct values.
- Mean = 1983-10-09
- 1 items have value 1902-02-02 (Code has event date matching participant's date of birth)
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Notes
Date of the first occurrence of any code mapped to 3-character ICD10 O81. The code corresponds to "single delivery by forceps and vacuum extractor". 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 |
|---|
| 132279 | Source of report of O81 (single deli ... | Field 132279 indicates the source of the outcome first reported in Current Field. |
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