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

Patients admitted / Number of infections

Answer

Discharges / Infections x 100

Answer

Infections x Admissions

Question 2

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

Accepted Answer

Line graph

Answer

Pie chart

Answer

Bar chart

Answer

Scatter plot

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

Results are not statistically significant

Answer

The study had a 3% error rate

Answer

97% of patients improved

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

Hospital autopsies / Total deaths x 100

Answer

Total autopsies / Total admissions x 100

Answer

Forensic autopsies / Total discharges x 100

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

Mean

Answer

Median

Answer

Standard deviation

Question 6

A quality team uses a Pareto chart to analyze claim denial reasons. What does this chart identify?

Accepted Answer

The vital few causes that account for the majority of denials, following the 80/20 principle

Answer

Chronological order of denials

Answer

Geographic distribution of denials

Answer

Average dollar amount of denials