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22,391 items of data are available, covering 16,657 participants. Some values have special meanings defined by Data-Coding 218. Array indices run from 0 to 4. Units of measurement are weeks.
There are 40 distinct values.
Mean = 38.8369
Std.dev = 3.75866
368 items below graph minimum of 33
4 items above graph maximum of 45
10823 items have value 99 (Not known)
Counts of participants/items last updated 26 Nov 2022.
This is the number of weeks completed gestation, based upon an average 40 week gestation.
This field corresponds to the field GESTAT on the HESIN_DELIVERY table; see the Inpatient Data Dictionary (Resource 141140) in Category 2000 for information about the HESIN_DELIVERY table.
In order to conduct detailed analyses of this data using the source information, researchers will need to gain access to the HESIN_ DELIVERY and HESIN tables by adding Field 41264 and Field 41259 to their basket.