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7,972 items of data are available, covering 7,972 participants. Some values have special meanings defined by Data-Coding 819.
There are 3766 distinct values.
Mean = 2013-03-12
59 items below graph minimum of 1983-07-01
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)
Date of the first occurrence of any code mapped to 3-character ICD10 M35. The code corresponds to "other systemic involvement of connective tissue". Note that events which were apparently before birth were omitted when constructing this data field.