R Dataset / Package survival / colon
Chemotherapy for Stage B/C colon cancer
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
|study:||1 for all patients|
|rx:||Treatment - Obs(ervation), Lev(amisole), Lev(amisole)+5-FU|
|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|
|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|
The study is originally described in Laurie (1989). The main report is found in Moertel (1990). This data set is closest to that of the final report in Moertel (1991). A version of the data with less follow-up time was used in the paper by Lin (1994).
JA Laurie, CG Moertel, TR Fleming, HS Wieand, JE Leigh, J Rubin, GW McCormack, JB Gerstner, JE Krook and J Malliard. Surgical adjuvant therapy of large-bowel carcinoma: An evaluation of levamisole and the combination of levamisole and fluorouracil: The North Central Cancer Treatment Group and the Mayo Clinic. J Clinical Oncology, 7:1447-1456, 1989.
DY Lin. Cox regression analysis of multivariate failure time data: the marginal approach. Statistics in Medicine, 13:2233-2247, 1994.
CG Moertel, TR Fleming, JS MacDonald, DG Haller, JA Laurie, PJ Goodman, JS Ungerleider, WA Emerson, DC Tormey, JH Glick, MH Veeder and JA Maillard. Levamisole and fluorouracil for adjuvant therapy of resected colon carcinoma. New England J of Medicine, 332:352-358, 1990.
CG Moertel, TR Fleming, JS MacDonald, DG Haller, JA Laurie, CM Tangen, JS Ungerleider, WA Emerson, DC Tormey, JH Glick, MH Veeder and JA Maillard, Fluorouracil plus Levamisole as an effective adjuvant therapy after resection of stage II colon carcinoma: a final report. Annals of Internal Med, 122:321-326, 1991.
Dataset imported from https://www.r-project.org.
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