Survival in patients with advanced lung cancer from the North Central Cancer Treatment Group. Performance scores rate how well the patient can perform usual daily activities.
lung
data(cancer, package="survival")| inst: | Institution code | 
| time: | Survival time in days | 
| status: | censoring status 1=censored, 2=dead | 
| age: | Age in years | 
| sex: | Male=1 Female=2 | 
| ph.ecog: | ECOG performance score as rated by the physician. 0=asymptomatic, 1= symptomatic but completely ambulatory, 2= in bed <50% of the day, 3= in bed > 50% of the day but not bedbound, 4 = bedbound | 
| ph.karno: | Karnofsky performance score (bad=0-good=100) rated by physician | 
| pat.karno: | Karnofsky performance score as rated by patient | 
| meal.cal: | Calories consumed at meals | 
| wt.loss: | Weight loss in last six months (pounds) | 
Loprinzi CL. Laurie JA. Wieand HS. Krook JE. Novotny PJ. Kugler JW. Bartel J. Law M. Bateman M. Klatt NE. et al. Prospective evaluation of prognostic variables from patient-completed questionnaires. North Central Cancer Treatment Group. Journal of Clinical Oncology. 12(3):601-7, 1994.