RHIT - Registered Health Information Technician Healthcare Statistics and Analytics 3

Question 1

How is the nosocomial infection rate calculated?

Accepted Answer

Number of nosocomial infections / Number of discharges x 100

Answer

Nosocomial infection rate = (Number of hospital-acquired infections / Number of discharges) x 100.

Question 2

What data display is most appropriate for showing readmission rate trends over 12 months?

Accepted Answer

Line graph

Answer

A line graph is most appropriate for displaying trends over time.

Question 3

A clinical study reports a p-value of 0.03. How should this be interpreted?

Accepted Answer

There is a 3% probability the results occurred by chance, suggesting statistical significance at the 0.05 level

Answer

A p-value of 0.03 is below the conventional 0.05 threshold, indicating statistical significance.

Question 4

What is the autopsy rate formula when newborn deaths are excluded?

Accepted Answer

Hospital autopsies on inpatients excluding NB / Total inpatient deaths excluding NB x 100

Answer

Both numerator and denominator must exclude newborn deaths.

Question 5

In a frequency distribution of patient ages, the most frequently occurring age is 45. What statistical term describes this?

Accepted Answer

Mode

Answer

The mode is the value that occurs most frequently in a data set.

RHIT - Registered Health Information Technician Practice Test