brcancer {simsurv}

German breast cancer dataset

Description

A data set containing a subset of variables from the German breast cancer study (Schumacher et al. (1994)).

Usage

brcancer

Format

A data frame with 686 rows and 4 variables.

Details

• id Subject ID

• hormon Treatment indicator for hormone therapy (0 = no, 1 = yes)

• rectime Time to recurrence or censoring (in days)

• censrec Event indicator (0 = censored, 1 = recurrence)

References

Sauerbrei W, Royston P. Building multivariable prognostic and diagnostic models: transformation of the predictors by using fractional polynomials. Journal of the Royal Statistics Society Series A. 1999;162(1):71–94.

Schumacher M, et al. for the German Breast Cancer Study Group. Randomized 2x2 trial evaluating hormonal treatment and the duration of chemotherapy in node-positive breast cancer patients. Journal of Clinical Oncology. 1994;12:2086–2093.