Melanoma data:

 

Short description:

In the period 1962-77 a total of 205 patients with malignant melanoma (cancer of the skin) were operated at Odense University hospital in Denmark. A number of covariates were recorded at operation, and the patients were followed up until death or censoring at the end of the study at 31/12-1977.

 

Coding of variables:

1)? status:? 1=death from disease, 2=censored, 4=death from other cause

2)? lifetime:? life time from operation in years

3)? ulcer:? ulceration (1=present, 2=absent)

4)? thickn:? tumor thickness in mm

5)? sex:? 1=female, 2=male

6)? age:? age at operation in years

7)? grthick:? grouped tumor thickness (1: 0-1 mm, 2: 2-5 mm, 3: 5+ mm)

8)? logthick:? logarithm of tumor thickness

 

Source:

Andersen, P.K., Borgan, ?., Gill, R.D. and Keiding, N. (1993). Statistical models based on counting processes. Springer-Verlag, New York.