CAHIMS Data Analytics and Reporting Flashcards

What is the role of ETL in healthcare data warehousing?

Answer: Extracting, Transforming, and Loading data from source systems into a warehouse

ETL (Extract, Transform, Load) is the process of pulling data from source systems, converting it to a standard format, and loading it into a data warehouse for analysis.

Which visualization type is best suited for showing the distribution of patient ages in a population?

Answer: Histogram

A histogram displays the frequency distribution of continuous numerical data such as patient ages across defined intervals.

What is 'data normalization' in the context of healthcare databases?

Answer: Organizing data to reduce redundancy and improve integrity

Data normalization restructures relational database tables to minimize duplication and ensure logical data dependencies, improving consistency.

A CAHIMS professional is asked to build a dashboard for hospital administrators. Which step should come FIRST?

Answer: Identify key metrics and stakeholder information needs

Defining stakeholder requirements and key metrics must precede any technical or design decisions to ensure the dashboard delivers actionable insights.

Which metric measures the proportion of patients who are readmitted to the hospital within 30 days of discharge?

Answer: 30-day readmission rate

The 30-day readmission rate is a widely used CMS quality metric tracking the percentage of patients who return to the hospital within 30 days of discharge.

What is the primary advantage of using a clinical data repository (CDR) in a healthcare organization?

Answer: It provides a centralized, integrated view of patient data from multiple source systems

A CDR aggregates data from disparate clinical systems into one repository, enabling comprehensive views of patient information for care and analytics.