colon {survival}R Documentation

Chemotherapy for Stage B/C colon cancer

Description

These are data from one of the first successful trials of adjuvant chemotherapy for colon cancer. Levamisole is a low-toxicity compound previously used to treat worm infestations in animals; 5-FU is a moderately toxic (as these things go) chemotherapy agent. There are two records per person, one for recurrence and one for death

Usage

colon

Format

id:

id

study:

1 for all patients

rx:

Treatment - Obs(ervation), Lev(amisole), Lev(amisole)+5-FU

sex:

1=male

age:

in years

obstruct:

obstruction of colon by tumour

perfor:

perforation of colon

adhere:

adherence to nearby organs

nodes:

number of lymph nodes with detectable cancer

time:

days until event or censoring

status:

censoring status

differ:

differentiation of tumour (1=well, 2=moderate, 3=poor)

extent:

Extent of local spread (1=submucosa, 2=muscle, 3=serosa,

4=contiguous structures)

surg:

time from surgery to registration (0=short, 1=long)

node4:

more than 4 positive lymph nodes

etype:

event type: 1=recurrence,2=death

Source

Danyu Lin


[Package survival version 2.36-9 Index]