VARIABLE

CONCEPTUAL DEFINITION

OPERATIONAL DEFINITION

TYPE OF VARIABLE

Average liver uptake value (SUV Lean average).

Used to compare the standardized value of uptake with lesions.

It is obtained by placing an VOI in the right lobe of the liver, this used as a reference value.

Quantitative

Age Independent of the presentation of prostate cancer.

Age Years completed at the time of diagnosis.

It is obtained by ordering the patients by age group.

Quantitative

Reason for the indication of the study.

Valid Reason for Using the 18F-PSMA Diagnostic Test

It is obtained from patient records.

Quantitative