This dataset, Melanoma_df, is a data frame containing information about 205 patients with malignant melanoma (a type of skin cancer) who underwent a radical operation at Odense University Hospital, Denmark, between 1962 and 1977. Patients were followed up until the end of 1977. By that time, 134 patients were still alive, and 71 had died (57 due to cancer and 14 from other causes). This dataset provides detailed clinical and demographic information for studying malignant melanoma outcomes.
Usage
data(Melanoma_df)Format
A data frame with 205 observations and 7 variables:
- time
Follow-up time in days (integer).
- status
Patient's status at the end of the study: 1 = alive, 2 = dead from cancer, 3 = dead from other causes (integer).
- sex
Sex of the patient: 1 = male, 2 = female (integer).
- age
Age of the patient at the time of surgery (integer).
- year
Year of surgery (integer).
- thickness
Tumor thickness in millimeters (numeric).
- ulcer
Presence of ulceration: 1 = no, 2 = yes (integer).
Source
Data taken from the MASS package. Original study conducted at Odense University Hospital, Denmark.
Details
The dataset name has been kept as 'Melanoma_df' to avoid confusion with other datasets in the R ecosystem. This naming convention helps distinguish this dataset as part of the OncoDataSets package and assists users in identifying its specific characteristics. The suffix '_df' indicates that the dataset is a data frame. The original content has not been modified in any way.