ACTG 019 data
Description
Dataset used in Chapter 6 of Regression Methods in Biostatistics (2nd edition), as distributed on the UCSF companion website. Study design: Randomized double-blind placebo-controlled trial of zidovudine in HIV infection. Primary article: Volberding and colleagues (1990), New England Journal of Medicine.
Usage
actg019
Format
A data frame with 880 rows and 5 variables:
- id
- Participant identifier.
- days
- Days Since Randomization
- cens
- Event/censoring indicator (1 = event, 0 = censored).
- rx
- Randomized treatment group.
- cd4
- Baseline CD4+ lymphocyte count