These data are included in the BLSA Common Data Set. They are updated quarterly.
There are generally multiple observations (diagnoses) for every visit by a BLSA participant to the Study.
See also:
Diagnoses
The SAS System 14:02 Tuesday, September 14, 1999 1 CONTENTS PROCEDURE Data Set Name: BLSCDS.DX Observations: 225473 Member Type: DATA Variables: 11 Engine: V612 Indexes: 0 Created: 14:08 Wednesday, July 7, 1999 Observation Length: 130 Last Modified: 14:09 Wednesday, July 7, 1999 Deleted Observations: 0 Protection: Compressed: NO Data Set Type: Sorted: NO Label: -----Engine/Host Dependent Information----- Data Set Page Size: 19968 Number of Data Set Pages: 1474 File Format: 607 First Data Page: 1 Max Obs per Page: 153 Obs in First Data Page: 140 Filename: DISK$GRCUSR:[BLSCDS]DX.SASEB$DATA Host Format: AXP Disk Blocks Allocated: 57546 -----Alphabetic List of Variables and Attributes----- # Variable Type Len Pos Label -------------------------------------------------------------------------- 7 CAISI Num 8 42 Category 8 CEOFD Num 8 50 Certainty of diagnosis 3 DXICD1 Char 6 16 ICD-9-CM diagnosis code 1 4 DXICD2 Char 6 22 ICD-9-CM diagnosis code 2 5 DXICD3 Char 6 28 ICD-9-CM diagnosis code 3 11 DXTEXT Char 56 74 Diagnosis text 1 IDNO Num 8 0 6 SOOFD Num 8 34 Source of diagnosis 2 VISIT Num 8 8 10 YEDIF Num 8 66 Year (19xx) diagnosis first active 9 YEDIL Num 8 58 Year (19xx) diagnosis last active ---------------------------------------------------------------------------- | FORMAT NAME: CAISI_ LENGTH: 13 NUMBER OF VALUES: 5 | | MIN LENGTH: 1 MAX LENGTH: 40 DEFAULT LENGTH 13 FUZZ: STD | |--------------------------------------------------------------------------| |START |END |LABEL (VER. 6.12 05JAN99:11:17:21) | |----------------+----------------+----------------------------------------| | 0| 0|New/Active | | 1| 1|Inactive | | 2| 2|Sign/Active | | 3| 3|Irrelevant | | 4| 4|Sign/Inactive | ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- | FORMAT NAME: CEOFD_ LENGTH: 12 NUMBER OF VALUES: 3 | | MIN LENGTH: 1 MAX LENGTH: 40 DEFAULT LENGTH 12 FUZZ: STD | |--------------------------------------------------------------------------| |START |END |LABEL (VER. 6.12 05JAN99:11:17:21) | |----------------+----------------+----------------------------------------| | 0| 0|Questionable | | 1| 1|Probable | | 2| 2|Definite | ---------------------------------------------------------------------------- ---------------------------------------------------------------------------- | FORMAT NAME: SOOFD_ LENGTH: 20 NUMBER OF VALUES: 7 | | MIN LENGTH: 1 MAX LENGTH: 40 DEFAULT LENGTH 20 FUZZ: STD | |--------------------------------------------------------------------------| |START |END |LABEL (VER. 6.12 05JAN99:11:17:21) | |----------------+----------------+----------------------------------------| | 1| 1|History | | 2| 2|Lab | | 3| 3|History+Lab | | 4| 4|Physical | | 5| 5|History+Physical | | 6| 6|Lab+Physical | | 7| 7|History+Lab+Physical | ----------------------------------------------------------------------------
Revised 9/14/1999 -- Send comments to our Web Master .