AHIMA Healthcare Data Analytics 2

Question 1

Which statistical measure is most resistant to outliers when analyzing patient length-of-stay data?

Accepted Answer

Median

Answer

The median is the middle value of an ordered dataset and is unaffected by extreme outliers, making it more reliable than the mean for skewed distributions like length of stay.

Question 2

A health analyst groups patients with similar chronic conditions using a clustering algorithm without predefined outcome labels. This is an example of:

Accepted Answer

Unsupervised learning

Answer

Unsupervised learning (such as k-means clustering) discovers hidden patterns in data without requiring labeled training examples.

Question 3

FHIR (Fast Healthcare Interoperability Resources) is primarily designed to enable:

Accepted Answer

Standardized exchange of healthcare data via APIs

Answer

FHIR is an HL7 standard that uses RESTful APIs to enable standardized, interoperable exchange of healthcare data between disparate systems.

Question 4

Which of the following is considered a leading indicator in healthcare quality analytics?

Accepted Answer

Hand hygiene compliance rate

Answer

Hand hygiene compliance is a process (leading) indicator that predicts future outcomes like infection rates, unlike readmission or mortality, which are lagging outcome measures.

Question 5

The primary purpose of a data dictionary in a health information system is to:

Accepted Answer

Define the structure, format, and meaning of each data element

Answer

A data dictionary is a metadata repository that documents the definition, format, source, and relationships of each data element to ensure consistent interpretation and use.

(AHIMA) American Health Information Management Association Practice Test

(AHIMA) American Health Information Management Association Practice Test

AHIMA Healthcare Data Analytics 2