pbc_mayo_survival_df: Mayo Clinic Primary Biliary Cirrhosis

In DigestiveDataSets: A Curated Collection of Digestive System and Gastrointestinal Disease Datasets

Mayo Clinic Primary Biliary Cirrhosis

Description

This dataset, pbc_mayo_survival_df, is a data frame containing data from a randomized control trial conducted at Mayo Clinic from 1974 to 1984, studying the progression of primary biliary cirrhosis. The dataset includes both survival and longitudinal measurements with 1945 observations across 16 clinical variables.

Usage

data(pbc_mayo_survival_df)

Format

A data frame with 1945 observations and 16 variables:

ID

Integer patient identifier

Time

Numeric time measurement

death

Numeric death indicator

obstime

Numeric observation time

serBilir

Numeric serum bilirubin measurement

albumin

Numeric serum albumin measurement

alkaline

Integer alkaline phosphatase level

platelets

Integer platelet count

drug

Factor with 2 levels indicating treatment group

age

Numeric age in years

gender

Factor with 2 levels indicating patient sex

ascites

Factor with 2 levels indicating presence of ascites

hepatom

Factor with 2 levels indicating presence of hepatomegaly

start

Numeric start time for interval

stop

Numeric stop time for interval

event

Numeric event indicator

Details

The dataset name has been kept as 'pbc_mayo_survival_df' to avoid confusion with other datasets in the R ecosystem. This naming convention helps distinguish this dataset as part of the DigestiveDataSets package and assists users in identifying its specific characteristics. The suffix 'df' indicates that the dataset is a data frame. The original content has not been modified in any way.

Source

Data taken from the JSM package version 1.0.1.

DigestiveDataSets documentation built on June 8, 2025, 1:04 p.m.