Post Test - Evidence-Based Medicine

1. Evidence based medicine is the conscientious, explicit, and judicious use of current best evidence in making decisions about the care of individual patients.

True

False

2. The practice of evidence based medicine requires the integration of individual clinical expertise with the best available external clinical evidence from systemic research.

True

False

3. The search for best evidence requires the clinician to focus a clinical question based on one specific patient rather than a large cohort.

True

False

4. A study about a diagnostic test is valid only if it included an appropriate spectrum of patients to whom the test will be applied.

True

False

5. The number needed to treat (NNT) refers to the number of patients needed to be treated to produce one desired outcome in comparison to the number of patients not treated.

True

False

6. The likelihood ratio provides the same information as sensitivity and specificity.

True

False

7. The literature demonstrates that a ferritin level between 15-24 has a likelihood ratio of 8.8 to diagnose iron deficiency. This ratio means that 8.8% of people with iron deficiency will have a ferritin level between 15-24.

True

False

8. A therapy study's validity is increased when subjects who dropped out or were lost to follow up are excluded from analysis.

True

False

9. Exposures and outcomes must be measured the same ways in each treatment group.

True

False

10. As long as subjects are randomized to experimental groups, blinding does not impact the study's validity.

True

False