This dataset, RotterdamBreastCancer_df, is a data frame containing data on 2982 patients with primary breast cancer. The data was collected as part of the Rotterdam tumor bank and was used in Royston and Altman (2013) for survival analysis and prognostic model evaluation.
Usage
data(RotterdamBreastCancer_df)Format
A data frame with 2982 observations and 15 variables:
- pid
Patient ID (integer).
- year
Year of diagnosis (integer).
- age
Age at diagnosis in years (integer).
- meno
Menopausal status: 1 = premenopausal, 2 = postmenopausal (integer).
- size
Tumor size categorized into three levels (factor).
- grade
Tumor grade: 1 = low, 2 = intermediate, 3 = high (integer).
- nodes
Number of lymph nodes involved (integer).
- pgr
Progesterone receptor status (integer).
- er
Estrogen receptor status (integer).
- hormon
Hormonal therapy: 1 = yes, 0 = no (integer).
- chemo
Chemotherapy: 1 = yes, 0 = no (integer).
- rtime
Time to recurrence in days (numeric).
- recur
Recurrence status: 1 = recurrence, 0 = no recurrence (integer).
- dtime
Time to death in days (numeric).
- death
Death status: 1 = deceased, 0 = alive (integer).
Source
Data taken from the survival package. Based on records from the Rotterdam tumor bank and used in Royston and Altman (2013) for survival analysis.
Details
The dataset name has been kept as 'RotterdamBreastCancer_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.