| psa {DATAstudio} | R Documentation |
Prostate Cancer Diagnosis Data
Description
Longitudinal measurements of two Prostate Specific Antigen (PSA)-based biomarkers for 71 prostate cancer cases and 70 controls.
Usage
psaFormat
The psa data frame has 683 rows and 6 columns:
id-
patient id.
marker1-
total PSA.
marker2-
ratio of free total PSA.
status-
disease status of each subject, with
1identifying subjects diagnosed with prostate cancer. age-
age in years.
t-
time prior to diagnosis.
Details
The data were gathered from the Beta-Carotone and Retinol Efficacy Trial (CARET)—a lung cancer prevention trial, conducted at the Fred Hutchison Cancer Research Center. Further details on this study can be found in de Carvalho et al. (2020).
References
de Carvalho, M., Barney, B. and Page, G. L. (2020) Affinity-based measures of biomarker performance evaluation. Statistical Methods in Medical Research, 20, 837-853.