Prostate-specific antigen (PSA) test
Body-mass index (BMI) using waist circumference for children

A description of how the assessment tool or diagnostic test you were assigned is used in healthcare.
What is its purpose?
How is it conducted?
What information does it gather?
Based on your research, evaluate the test or the tool’s validity and reliability, and explain any issues with sensitivity, reliability, and predictive values. I

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