Liver cirrhosis data {mstate}R Documentation

Abnormal prothrombin levels in liver cirrhosis

Description

A data frame of 488 liver cirrhosis patients from a randomized clinical trial concerning prednisone treatment in these patients. The dataset is in long format. The included variables are

id
Patient identification number
from
Starting state
to
Receiving state
trans
Transition number
Tstart
Starting time
Tstop
Transition time
status
Status variable; 1=transition, 0=censored
treat
Treatment; factor with levels "Placebo", "Prednisone"

Usage

data(prothr)

Format

A data frame, see data.frame.

Details

This data was kindly provided by Per Kragh Andersen. It was introduced in Andersen, Borgan, Gill & Keiding (1993), Example 1.3.12, and used as illustration for computation of transition probabilities in multi-state models, see Sections IV.4 (Example IV.4.4) and VII.2 (Example VII.2.10).

References

Andersen PK, Borgan O, Gill RD, Keiding N (1993). Statistical Models Based on Counting Processes. Springer, New York.


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