psa {rigr}

PSA dataset

Description

Data from a study of 50 men having hormonally treated prostate cancer. Includes information on PSA levels, tumor characteristics, remission status, age, and disease state. More information, including a coding key, is available at http://www.emersonstatistics.com/datasets/PSA.doc.

Usage

psa

Format

A data frame with 50 rows and 9 variables:

ptid

patient identifier

nadirpsa

lowest PSA value attained post therapy (ng/ml)

pretxpsa

PSA value prior to therapy (ng/ml)

ps

performance status (0= worst, 100= best)

bss

bone scan score (1= least disease, 3= most)

grade

tumor grade (1= least aggressive, 3= most)

age

patient's age (years)

obstime

time observed in remission (months)

inrem

indicator whether patient still in remission at last follow-up (yes or no)

Source

http://www.emersonstatistics.com/datasets/psa.txt