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The following PLCO Prostate dataset(s) are available for delivery on CDAS. For each dataset, a Data Dictionary that describes the data is publicly available. In order to obtain the actual data in SAS or CSV format, you must begin a data-only request. Data will be delivered once the project is approved and data transfer agreements are completed.

To learn more about the Prostate data collected as part of the study, visit the PLCO Data Collected documentation page.

Datasets and Data Dictionaries

Files Description
Data Dictionary
(PDF - 319.6 KB)
1. The Prostate dataset is a comprehensive dataset that contains nearly all the PLCO study data available for prostate cancer screening, incidence, and mortality analyses. The dataset contains one record for each of the approximately 77,000 male participants in the PLCO trial.
Data Dictionary
(PDF - 97.8 KB)
2. The Prostate Screening dataset (~177,000, one record per year of screening) contains additional information from PSA and Digital Rectal Exam (DRE) cancer screens. This includes details of the blood draw, QA DRE results, reasons for inadequate exams, and additional findings that were not suspicious for cancer.
Data Dictionary
(PDF - 52.6 KB)
3. The Prostate Screening Abnormalities dataset (~11,000, one record per abnormality) contains information for each induration found during the DRE screen. This includes the location, type, size, grade, and extent of each induration.
Data Dictionary
(PDF - 64.2 KB)
4. The Prostate Diagnostic Procedures dataset (~96,000, one record per procedure) contains information about the diagnostic procedures prompted by positive prostate cancer screens, as well as diagnostic/staging procedures associated with any prostate cancers diagnosed during the 13 years of follow-up.
Data Dictionary
(PDF - 54.8 KB)
5. The Prostate Medical Complications dataset (~3,400, one record per medical complication) contains information about the medical complications caused by diagnostic workup for prostate cancer.
Data Dictionary
(PDF - 51.2 KB)
6. The Prostate Treatments dataset (~13,000, one record per treatment procedure) contains specifics of the initial treatment following the diagnosis of prostate cancer.

User Guides and Other Files

User Guides are intended to serve as a guide to using the data contained in these datasets.

PLCO User Guide
(PDF - 291.4 KB)

Data-Collection Forms

The following forms were used to collect data that is now available in the datasets listed above. They are provided in PDF format.

Baseline Questionnaire - Male
BQM3 - Scanned (1.6 MB)
Digital Rectal Screening Exam Form
DRE2 - Scanned (565.7 KB)
Prostate Diagnostic Evaluation Form
DEP3 - Scanned (3.3 MB)
Prostate Treatment Information Form
TIP2 - Scanned (1.0 MB)
Annual Study Update Form
ASU - Scanned (82.2 KB)