The SAS System                               24
                                                    14:03 Friday, July 16, 2004
                            The CONTENTS Procedure
Data Set Name: PS01.PS01                           Observations:         110332
Member Type:   DATA                                Variables:            30
Engine:        BASE                                Indexes:              2
Created:       11:05 Saturday, October 20, 2001    Observation Length:   108
Last Modified: 11:05 Saturday, October 20, 2001    Deleted Observations: 0
Protection:                                        Compressed:           NO
Data Set Type:                                     Sorted:               YES
Label:
                  -----Engine/Host Dependent Information-----
                Data Set Page Size:         27648
                Number of Data Set Pages:   434
                First Data Page:            1
                Max Obs per Page:           255
                Obs in First Data Page:     211
                Index File Page Size:       27648
                Number of Index File Pages: 103
                Number of Data Set Repairs: 0
                Physical Name:              MDPPRD.MDP.SAS.PS01
                Release Created:            8.0101M0
                Release Last Modified:      8.0101M0
                Created by:                 PMDPDELT
                Last Modified by:           PMDPDELT
                Subextents:                 2
                Total Blocks Used:          434
             -----Alphabetic List of Variables and Attributes-----
   # Variable Type Len Pos Format     Label
  --------------------------------------------------------------------------
   2 ADMITDAY Num    4   0 DATE9.     DATE OF ADMISSION (SASDATE)
   7 ADTIME   Num    4  20            TIME OF ADMISSION
  21 ANESTEK  Char   1  67 $ANESTKL.  ANESTHETIC TECHNIQUE
   3 DISDAY   Num    4   4 DATE9.     DATE OF DISCHARGE (SASDATE)
   8 DISTIME  Num    4  24            TIME OF DISCHARGE
  15 DISTYPE  Num    2  38 DISTYPEL.  TYPE OF DISCHARGE
  30 DXLSF    Char   6  93            DX LOS - FULL STAY (ICD9) (6-DIGIT)
  16 DXLSF32  Num    2  40 DX9RL26.   DX LOS - FULL STAY (ICD9) (32-RECODE)
  17 DXLSF120 Char   2  64 $DX9ANL24. DX LOS - FULL STAY (ICD9) (120-RECODE)
  13 DXPRIME  Char   6  58            PRIMARY DIAGNOSIS
  11 NSURG    Num    2  34            NUMBER OF SURGICAL OPERATIONS
  22 NVASURG  Num    2  46 NVASURGL.  NON-VA SURGERY
   1 SCRSSN   Num    6  99 SSN11.     SCRAMBLED SOCIAL SECURITY NUMBER
  28 SGR1     Num    2  48 SG999L.    99-RECODE OF SURG9CD1
  10 SGSQ     Num    2  32            SEQUENTIAL NUMBER OF OPERATION
   6 SRTKEY   Num    4  16            SORT KEY
  12 SSTA6A   Char   6  52 $STA6AL.   SUBSTATION OF SURGERY
   5 STA3N    Num    4  12 STA3NL.    PARENT STATION
   4 SURGDAY  Num    4   8 DATE9.     DATE OF SURGERY (SASDATE)
  20 SURGNAST Num    2  44 SURGNTPL.  CATEGORY OF FIRST SURG. ASSISTANT
  19 SURGNCAT Char   1  66 $SGNCATL.  CATEGORY OF CHIEF SURGEON

                                The SAS System                               25
                                                    14:03 Friday, July 16, 2004
                            The CONTENTS Procedure
             -----Alphabetic List of Variables and Attributes-----
   # Variable Type Len Pos Format     Label
  --------------------------------------------------------------------------
  18 SURGSPEC Num    2  42 BEDSECN.   SURGICAL SPECIALITY
   9 SURGTIME Num    4  28            TIME OF SURGERY
  23 SURG9CD1 Char   5  68            1ST SURGERY CODE  (ICDA9)
  24 SURG9CD2 Char   5  73            2ND SURGERY CODE  (ICDA9)
  25 SURG9CD3 Char   5  78            3RD SURGERY CODE  (ICDA9)
  26 SURG9CD4 Char   5  83            4TH SURGERY CODE  (ICDA9)
  27 SURG9CD5 Char   5  88            5TH SURGERY CODE  (ICDA9)
  29 TSTAT    Num    2  50 TRANSPL.   TRANSPLANT STATUS
  14 VISN     Num    2  36            VETS INTEGRATED SVC NETWORK
              -----Alphabetic List of Indexes and Attributes-----
                                              # of
                                            Unique
                             #    Index     Values
                             ---------------------
                             1    SCRSSN     85767
                             2    STA3N        119
                          -----Sort Information-----
        Sortedby:      SCRSSN ADMITDAY ADTIME DISDAY STA3N SRTKEY SGSQ
        Validated:     NO
        Character Set: EBCDIC