\HeaderA{bladder}{Bladder Cancer Recurrences}{bladder}
\aliasA{bladder2}{bladder}{bladder2}
\keyword{datasets}{bladder}
\keyword{survival}{bladder}
\begin{Description}\relax
Data on recurrences of bladder cancer, used by many people
to demonstrate methodology for recurrent event modelling.
\end{Description}
\begin{Usage}
\begin{verbatim}data(bladder)\end{verbatim}
\end{Usage}
\begin{Format}\relax
bladder
\Tabular{ll}{
id:& Patient id\\
rx:& Treatment 1=placebo  2=thiotepa\\
number:& Initial number of tumours (8=8 or more)\\
size:& size (cm) of largest initial tumour\\
stop:& recurrence or censoring time\\
enum:& which recurrence (up to 4)\\
}
bladder2 
\Tabular{ll}{
id:& Patient id\\
rx:& Treatment 1=placebo  2=thiotepa\\
number:& Initial number of tumours (8=8 or more)\\
size:& size (cm) of largest initial tumour\\
start:& start of interval (0 or previous recurrence time)\\
stop:& recurrence or censoring time\\
enum:& which recurrence (up to 4)\\
}
\end{Format}
\begin{Source}\relax
Wei, Lin, Weisfeld, JASA 1989
\end{Source}

