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.