WARNING: the interactive features of this website use CSS3, which your browser does not support. To use the full features of this website, please update your browser.
2,999 items of data are available, covering 2,999 participants. Some values have special meanings defined by Data-Coding 819.
There are 735 distinct values.
Mean = 1960-08-03
170 items above graph maximum of 2010-09-01
27 items have value 1903-03-03 (Code has event date after participant's date of birth and falls in the same calendar year as date of birth)
Date of the first occurrence of any code mapped to 3-character ICD10 A37. The code corresponds to "whooping cough". Note that events which were apparently before birth were omitted when constructing this data field.