How To Select A Diagnostic Test?

A diagnostic test is a clinical procedure used to determine the presence, absence, or extent of a disease or condition. These tests are essential for diagnosing illnesses, guiding treatment decisions, and monitoring disease progression. They can involve various methods, such as physical examinations (e.g., manual tests such as valgus test of the knee, apprehension test of the shoulder), imaging (e.g., X-rays, MRIs), or laboratory tests … Continue reading How To Select A Diagnostic Test?

True Rates

In this section, the true positive and negatives rates of diagnosing a disease using a clinical test (eg., SLR) compared against a gold standard test (in this instance, MRI) will be calculated. Let us use the following data from a peer-reviewed article for our analysis (1). In this study, the patients who had lumbar MRI grades 2 to 5 (gold standard criteria) were considered having the disease. Now, let … Continue reading True Rates