TestSurvRec (version 1.2.1)

TBCplathi: Data of tumor recurrence in patients with bladder cancer. Patients were treated as placebo and thiotepa

Description

This database corresponds to the time of recurrence of tumors of 85 patients with bladder cancer. Patients were randomly assigned to treatments: placebo (47 patients) and thiotepa (38 patients). Data type data.frame with 217 observations on 8 variables.

Usage

data(TBCplathi)

Format

This data frame contains the following columns: j : Observation number id : ID of each unit. Repeated for each recurrence Tinicio: Inicial time time : recurrence o censoring time event : censoring status. strata : Number of strata trt : Factor w/ 2 levels "Placebo","Thiotepa" group : a factor with levels. Group identificator.

Source

Andrews D., Herzberg A., (1985). "Data. A collections of problems from many fields for the student and reserarch worker", Springer series in statistics, Springer-Verlag, USA

Details

Experiment Byar (1980). The database Byar experiment is used and the time (months) of recurrence of tumors in 116 sick patients with superficial bladder cancer is measured. These patients were randomly allocated to the following treatments: placebo (47 patients), pyridoxine (31 patients) and thiotepa (38 patients).

References

Martnez C., Ramrez, G., Vsquez M. (2009).Pruebas no paramtricas para comparar curvas de supervivencia de dos grupos que experimentan eventos recurrentes. Propuestas. Revista Ingeniera U.C.,Vol 16, 3, 45-55. Pea E., Strawderman R., Hollander, M. (2001). Nonparametric Estimation with Recurrent Event Data. J.A.S.A. 96, 1299-1315.

Examples

 XL<-data.frame(TBCplathi)
 print(XL)
 Print.Summary(TBCplathi)