R: Abnormal prothrombin levels in liver cirrhosis

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.

[Package mstate version 0.2.12 Index]