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3,337 items of data are available, covering 3,337 participants. Some values have special meanings defined by Data-Coding 819.
There are 2535 distinct values.
Mean = 2000-03-04
1 items have value 2037-07-07 (Code has event date in the future and is presumed to be a place-holder or other system default)
Counts of participants/items last updated 20 May 2022.
Date of the first occurrence of any code mapped to 3-character ICD10 M22. The code corresponds to "disorders of patella". Note that events which were apparently before birth were omitted when constructing this data field.