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SAMPLE CODE BOOK

Data Set Code Book: Breast Cancer in Elderly Women

Draft Codebook
August 26, 2003
Codebook prepared by Joan Doe M.D., based on data set she entered as Excel spreadsheet.

The spreadsheet contains records for 237 patients, one record per patient.

If you have questions about the data, please call Joan Doe at 555-5555 (office) or 555-6666 (pager) or email Joan_Doe@ucdavis.edu

Field label:

Study Investigator: Doe

Variable:

Investigator

Variable type:

Character

Allowable values:

Study Investigator: Doe

Comments:

 
   

Field label:

Breast Cancer in Elderly Women

Variable:

Form name

Variable type:

Character

Allowable values:

Breast Cancer in Elderly Women

Comments:

 
   

Field label:

Pt

Variable:

Patient number

Variable type:

Numeric

Allowable values:

1-237

Comments:

 
   

Field label:

DOB

Variable:

date of birth

Variable type:

numeric

Allowable values:

01/01/1800-12/31/1926

Comments:

 
   

Field label:

Date of Dx

Variable:

date of diagnosis of breast cancer

Variable type:

numeric

Allowable values:

01/01/1977-12/31/2001

Comments:

 
   

Field label:

Stage

Variable:

stage at diagnosis

Variable type:

Character

Allowable values:

T0-T4, N0-N3, M0-M1

Comments:

 
   

Field label:

Path

Variable:

histologic diagnosis

Variable type:

Character

Allowable values:

DCIS, IDC, ILC, TUBC, PAPC, MEDC, MUCC

Comments:

DCIS=ductal carcinoma in situ

 

IDC=infiltrating ductal carcinoma

 

ILC=infiltrating lobular carcinoma

 

TUBC=tubular carcinoma

 

PAPC=papillary carcinoma

 

MEDC=medullary carcinoma

 

MUCC=mucinous carcinoma
   

Field label:

ER/PgR

Variable:

estrogen receptor and progesterone receptor status

Variable type:

Character

Allowable values:

Y=yes, N=no, U=unknown

Comments:

 
   

Field label:

Local Tx

Variable:

local treatment received

Variable type:

Character

Allowable values:

LUMP, MAST, XRT

Comments:

LUMP=lumpectomy

 

MAST=mastectomy

 

XRT=radiotherapy

   

Field label:

Sys Tx

Variable:

systemic treatment received

Variable type:

Character

Allowable values:

CHEMO, ENDO

Comments:

CHEMO=chemotherapy

 

ENDO=hormonal therapy

   

Field label:

Comorbidities

Variable:

known comorbidities at diagnosis

Variable type:

Character

Allowable values:

 

Comments:

 
   

Field label:

DOD

Variable:

date of death

Variable type:

numeric

Allowable values:

01/01/1977-12/31/2001

Comments:

 
   

Field label:

DLKA

Variable:

date last known to be alive

Variable type:

numeric

Allowable values:

01/01/1977-12/31/2001

Comments:

 
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