psych: Death Times of Psychiatric Patients (Woolson)
Description
Woolson (1981) has reported survival data on 26 psychiatric inpatients admitted to the University of Iowa hospitals during the years 1935-1948. This sample is part of a larger study of psychiatric inpatients discussed by Tsuang and Woolson (1977) and it is contained in the KMsurv package.
Usage
data(psych)
Arguments
Format
A data frame with 26 observations containing:
sex
Patient sex: 1=male, 2=female.
age
Age at first admission to the hospital.
time
Number of years of follow-up.
death
Patient status at the follow-up time: 0=alive, 1=dead.
References
Tsuang, M. T. and Woolson, R. F. (1977). Mortality in Patients with Schizophrenia, Mania and
Depression. British Journal of Psychiatry, 130: 162-166.
Woolson, R. F. (1981). Rank Tests and a One-Sample Log Rank Test for Comparing Observed
Survival Data to a Standard Population. Biometrics37: 687-696.