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438,303 items are available, covering 438,303 participants. Units of measurement are records.
There are 520 distinct values.
Mean = 17.5521
Std.dev = 29.2597
Counts of participants/items last updated 28 Apr 2021.
Adding this field to a basket will grant access to the HESIN_OPER table on the Data Portal. See the Inpatient Data Dictionary (Resource 141140) in Category 2000 for information about the HESIN_OPER table.
If included, the field will also appear in a main UK Biobank dataset where it will give a count of the number of rows for each participant in the HESIN_OPER table.