: Data-Field 131984

Data-Field 131984

Description:	Date M91 first reported (juvenile osteochondrosis of hip and pelvis)
Category:	Health-related outcomes ⏵ First occurrences ⏵ Musculoskeletal system and connective tissue disorders

Participants

214

Date

Both sexes

Jul 2019

214

Data

Singular

Mar 2023

Ongoing

Derived

d1 o1 s1

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Data

214 items of data are available, covering 214 participants.
Some values have special meanings defined by Data-Coding 819.

Maximum	2022-10-18
Decile 9	2015-05-31
Decile 8	2011-02-09
Decile 7	2007-09-12
Decile 6	2005-04-28
Median	2002-11-12
Decile 4	1997-11-02
Decile 3	1970-07-25
Decile 2	1962-01-16
Decile 1	1954-11-16
Minimum	1947-01-01

There are 191 distinct values.
Mean = 1991-01-31
1 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 M91. The code corresponds to "juvenile osteochondrosis of hip and pelvis". 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"

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