CMC Data Analysis & Reporting 3

Question 1

A hospital's CHF readmission rate is 22%, compared to the national benchmark of 18%. Which next step is most appropriate before implementing changes?

Accepted Answer

Perform a root cause analysis to identify contributing factors

Answer

Root cause analysis identifies specific drivers of the gap before interventions are chosen, ensuring solutions are targeted and evidence-based.

Question 2

In cardiac clinical trial reporting, what does 'intention-to-treat' (ITT) analysis mean?

Accepted Answer

Patients are analyzed in the group they were randomized to, regardless of adherence

Answer

ITT analysis preserves the benefits of randomization by including all patients in their originally assigned groups, minimizing bias from dropout or crossover.

Question 3

Which confidence interval interpretation is correct for a cardiac drug trial reporting a hazard ratio of 0.75 (95% CI: 0.60–0.94)?

Accepted Answer

If the study were repeated 100 times, about 95 of the intervals would contain the true HR

Answer

Confidence intervals represent the long-run frequency property: 95% of such intervals constructed from repeated samples would contain the true population parameter.

Question 4

A cardiac quality improvement team wants to identify which of 15 possible factors most contributes to prolonged ICU length of stay. Which tool is most appropriate first?

Accepted Answer

Pareto chart

Answer

A Pareto chart ranks contributing factors by frequency or impact, identifying the vital few causes responsible for the majority of the problem.

Question 5

In ACC/AHA performance measure reporting, what is 'care gap'?

Accepted Answer

The proportion of eligible patients who did not receive a guideline-recommended therapy

Answer

A care gap measures the percentage of eligible patients who failed to receive a recommended intervention, directly quantifying adherence to evidence-based guidelines.

CMC - Cardiac Medicine Certification Practice Test

CMC - Cardiac Medicine Certification Practice Test

CMC Data Analysis & Reporting 3