RHIT Healthcare Statistics and Analytics 2

Question 1

A hospital reports a case fatality rate of 2.5% for a particular disease. What does this rate measure?

Accepted Answer

The proportion of diagnosed cases that result in death

Answer

Case fatality rate measures the proportion of individuals diagnosed with a disease who die from that disease.

Question 2

Which statistical measure is most appropriate when data is highly skewed and contains significant outliers?

Accepted Answer

Median

Answer

The median is preferred for skewed data because it is not affected by extreme values (outliers) the way the mean is.

Question 3

A health information manager calculates a hospital's net autopsy rate. Which deaths are EXCLUDED from the denominator?

Accepted Answer

Deaths where the bodies were removed before an autopsy could be performed

Answer

The net autopsy rate excludes from the denominator those cases where the body was removed by legal authorities before an autopsy could be performed.

Question 4

In a frequency distribution, what does a bimodal distribution indicate?

Accepted Answer

The data has two distinct peaks or clusters

Answer

A bimodal distribution has two distinct peaks, suggesting the data may come from two different subpopulations.

Question 5

What is the purpose of risk adjustment in healthcare outcome reporting?

Accepted Answer

To allow fair comparison of outcomes across facilities with different patient populations

Answer

Risk adjustment accounts for differences in patient severity and demographics so that outcomes across facilities can be fairly compared.

RHIT - Registered Health Information Technician Practice Test