Dialysis {RcmdrPlugin.survival}

Hemodialysis Data from Brazil

Description

This data set is analyzed in Sa Carvalho et al. (2003), and consists of data on 6805 hemodialysis patients in all federally funded clinics in Rio de Janeiro State, Brazil.

Usage

data(Dialysis)

Format

A data frame with 6805 observations on the following 7 variables.

center

a numeric code indicating in which of 67 centers the patient was treated.

age

of the patient.

begin

The month in which treatment began, with 1 representing January 1998.

end

The month in which observation terminated, either because of death or censoring. The study ended in month 44 (August, 2000).

event

1, death, or 0, censoring.

time

the difference between end and begin.

disease

a factor with levels congen, (congenital); diabetes; hypert (hypertension); other; and renal.

Source

M. Sa Carvalho, R. Henderson, S. Shimakura, and I. P. S. C. Sousa (2003). Survival of hemodialysis patients: Modeling differences in risk of dialysis centers. International Journal for Quality in Health Care, 15: 189–196.

References

John Fox, Marilia Sa Carvalho (2012). The RcmdrPlugin.survival Package: Extending the R Commander Interface to Survival Analysis. Journal of Statistical Software, 49(7), 1-32. doi:10.18637/jss.v049.i07.

Examples

summary(Dialysis)
table(Dialysis$center)