liver | R Documentation |
Liver related laboratory data
Description
Liver related laboratory data from a randomized, blind, parallel group clinical trial with 4 doses of a drug.
Usage
data(liver)
Format
A data frame with 606 observations on the following 9 variables.
- ALP.B
Alkaline phosphatase at baseline. A numeric vector.
- ALT.B
Alanine aminotransferase at baseline. A numeric vector.
- AST.B
Aspartate aminotransferase at baseline. A numeric vector.
- TBL.B
Total bilirubin at baseline. A numeric vector.
- ALP.M
Alkaline phosphatase after treatment. A numeric vector.
- ALT.M
Alanine aminotransferase after treatment. A numeric vector.
- AST.M
Aspartate aminotransferase after treatment. A numeric vector.
- TBL.M
Total bilirubin after treatment. A numeric vector.
- dose
The treatment group (i.e. dose group). A factor with levels
A
B
C
D
Details
Dose A is the lowest dose, dose, B the next, C the next, and D the highest dose. The baseline values were taken prior to any treatment being received, and the clinical trial had a single post-baseline visit.
Source
AstraZeneca data on file.