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thregI (version 1.0.4)

bcos: Breast Cosmesis Data

Description

94 early breast cancer patients who had been treated with primary radiation therapy and adjuvant chemotherapy and with radiotherapy alone for the treatment. A patient due to monitored weekly or monthly for a clinically observable change in breast cancer status and may return with a changed status. For this case, we know the changed status is between ( \(L\), \(R\) ].

Usage

bcos

Arguments

Format

id: subject recorded in the data set
left: breast cancer status return with a changed status after time \(L\)
right: breast cancer status return with a changed status after time \(R\)
treatment: Radiation = radiation therapy, RadChemo = radiation therapy with chemotherapy

References

Finkelstein DM and Wolfe RA. (1985). A semiparametric model for regression analysis of interval-censored failure time data. Biometrics 41, 933-945.