: Data-Field 41263

Data-Field 41263

Description:	Date of first in-patient diagnosis - main ICD9
Category:	Health-related outcomes ⏵ Hospital inpatient ⏵ Summary Diagnoses
	Health outcomes

Participants

20,390

Date

Both sexes

Jan 2019

43,500

Data

Singular

Jun 2023

Ongoing

Primary

Yes (28)

d1 o1 s1

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Data

43,500 items of data are available, covering 20,390 participants.
Array indices run from 0 to 27.

Maximum	1996-03-30
Decile 9	1995-01-30
Decile 8	1993-11-05
Decile 7	1992-07-23
Decile 6	1991-01-28
Median	1989-07-03
Decile 4	1987-12-09
Decile 3	1986-05-21
Decile 2	1984-09-22
Decile 1	1982-12-24
Minimum	1980-12-02

There are 5440 distinct values.
Mean = 1989-04-09

Notes

This field provides, for each participant, the date each ICD-9 diagnosis code was first recorded in the primary/main position in the participant's hospital inpatient records (in the field DIAG_ICD9 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 ICD-9 diagnosis codes can be found in data-field Field 41203 and the two fields can be linked using the array structure. Please note ICD-9 coded hospital inpatient data are only available for older Scottish hospital records.

1 Related Data-Field

Field ID	Description	Relationship
41203	Diagnoses - main ICD9	Current Field is the date of first diagnosis of Field 41203

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