UNC-Chapel Hill BIOS 180 - Documentation for Colon Cancer Dataset (3 pages)

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Documentation for Colon Cancer Dataset



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Documentation for Colon Cancer Dataset

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Pages:
3
School:
University of North Carolina at Chapel Hill
Course:
Bios 180 - Introductory Survival Analysis

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DOCUMENTATION FOR COLON CANCER DATASET You may get a copy of the dataset by copying from my account the file biostat user0 lman colon dat The dataset has 1296 observations and 35 variables with missing values recorded as NA Variable Name Variable description PATNO Patient number TRNO Treatment 1 2 3 Code Code Definition Observation Levamisole alone 5 FU Levamisole DAYREG Day of registration MTHREG Month of registration YRREG Year of registration DAYLC Day of last contact or death MTHLC Month of last contact or death YRLC Year of last contact or death STATUS Survival status 1 DAYPRGREL Day of prog relapse MTHPRGREL Month of prog relapse YRPRGREL Year of prog relapse 0 Alive Dead unknown variable 1 SEX Sex 0 1 Female Male PT1SITE Location of primary 1 Cecum neoplasm 2 Right Colon 3 Hepatic flexure 4 Transverse colon 5 Splenic flexure 6 Left colon 7 Sigmoid colon 8 Rectosigmoid 9 Rectum 10 Multiple sites HISTYPE CDIFINTG Histologic type 2 3 4 Differentiation 2 3 1 Adenocarcinoma Colloid mucinous Signet ring type Other 1 Well Moderate well gr 2 3 Poor grade 4 EXTLOC Extent of local spread 1 Submucosa not muscle 2 Muscular not serosa 3 Serosa not contiguos 4 Contiguos structures OBSTRC Obstruction PERFOR Perforation 1 0 Yes No 0 Yes No 1 1 ADHERE Adherence 0 Yes No REGIMP Regional Implants 0 1 Yes No unknown variable 2 NOPOSND Nodal involvement number of positive nodes DAYRES Day of tumor resection MTHRES Month of tumor resection YRRES Year of tumor resection DAYRX Day of start of treatment MTHRX Month of start of treatment YRRX Year of start of treatment PRGREL AGE Prog relapse status 1 Yes 0 No Patient age at reg DAYS Number of days from tumor resection to start of treatment TIME Number of days from registration to last contact STUDY Study number You can name the variables whatever you want from the original SAS dataset These names are The following three variables are NOT in the data set DUKE Dukes Stage 0 1 Stage B Stage C ELOVER Overall elig status 0 1 No Yes SEROSA



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