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This dataset, Gbsg_df, provides prognostic factors for breast cancer patients from the German Breast Cancer Study Group (GBSG). The dataset includes 686 observations and 11 variables, containing information on patient demographics, tumor characteristics, hormone receptor status, and outcomes. Some observations contain missing values.

Usage

data(Gbsg_df)

Format

A data frame with 686 observations and 11 variables:

pid

Patient identifier (integer)

age

Age at diagnosis (integer)

meno

Menopausal status (integer indicator)

size

Tumor size in millimeters (integer)

grade

Tumor grade (integer)

nodes

Number of positive lymph nodes (integer)

pgr

Progesterone receptor level (integer)

er

Estrogen receptor level (integer)

hormon

Hormonal therapy received (integer indicator)

rfstime

Relapse-free survival time in days (integer)

status

Patient status (integer indicator)

Source

Data taken from the survival package version 3.8-3

Details

The dataset name has been kept as 'Gbsg_df' to avoid confusion with other datasets in the R ecosystem. This naming convention helps distinguish this dataset as part of the ForCausality 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.