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2,233,578 items of data are available, covering 437,503 participants. Array indices run from 0 to 74.
There are 9479 distinct values.
Mean = 2011-02-16
Counts of participants/items last updated 25 Jul 2021.
This field provides, for each participant, the date each ICD-10 diagnosis code was first recorded in the primary/main position in the participant's hospital inpatient records (in the field DIAG_ICD10 in the HESIN_DIAG table).
The date given is the episode start date (the EPISTART field on the HESIN table), or if this was missing the admission date (the ADMIDATE field on the HESIN table). See the Inpatient data Dictionary (Resource 141140) in Category 2000 for information about the HESIN and HESIN_DIAG tables.
The corresponding primary/main ICD10 diagnosis codes can be found in Field 41202 and the two fields can be linked using the array structure.