Data
2,461 items of data are available, covering 2,461 participants.
Some values have special meanings defined by Data-Coding
819.
| Maximum | 2022-08-01 |
| Decile 9 | 2009-12-10 |
| Decile 8 | 2007-01-19 |
| Decile 7 | 2004-09-06 |
| Decile 6 | 2002-10-13 |
| Median | 2000-05-23 |
| Decile 4 | 1997-04-19 |
| Decile 3 | 1993-05-05 |
| Decile 2 | 1988-08-15 |
| Decile 1 | 1979-05-15 |
| Minimum | 1957-01-01 |
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- There are 1941 distinct values.
- Mean = 1997-06-23
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Notes
Date of the first occurrence of any code mapped to 3-character ICD10 N91. The code corresponds to "absent, scanty and rare menstruation". 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 |
|---|
| 132145 | Source of report of N91 (absent, sca ... | Field 132145 indicates the source of the outcome first reported in Current Field. |
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