RHIT Healthcare Statistics and Analytics 3

Question 1

A hospital has 300 staffed beds and recorded 90,000 inpatient service days in a 365-day year. What is the bed occupancy rate?

Accepted Answer

82.2%

Answer

72.5%

Answer

90.4%

Answer

68.1%

Question 2

In healthcare analytics, what does 'sensitivity' of a diagnostic test measure?

Accepted Answer

The proportion of true positives correctly identified by the test

Answer

The probability that a negative test result is truly negative

Answer

The probability that a positive test result is truly positive

Answer

The proportion of the population that has the disease

Question 3

Which type of study design is considered the strongest evidence for establishing a causal relationship?

Accepted Answer

Randomized controlled trial

Answer

Cross-sectional study

Answer

Case-control study

Answer

Retrospective cohort study

Question 4

A hospital tracks its 30-day readmission rate. Which metric does this primarily reflect?

Accepted Answer

Quality of care and care transitions

Answer

Patient satisfaction with discharge education

Answer

Average length of stay efficiency

Answer

Physician credentialing outcomes

Question 5

What is the primary purpose of a confidence interval in healthcare statistics?

Accepted Answer

To express the range within which the true value likely falls

Answer

To calculate the exact true population parameter

Answer

To determine statistical significance between two groups

Answer

To identify outliers in a dataset

Question 6

When calculating a hospital's infection rate, which formula is correct?

Accepted Answer

(Number of infections / Total discharges) × 100

Answer

(Number of infections / Number of admissions) × 100

Answer

(Number of infections / Total inpatient service days) × 1,000

Answer

(Number of infections / Staffed beds) × 100

Question 7

A correlation coefficient of -0.85 between two healthcare variables indicates:

Accepted Answer

A strong negative relationship

Answer

A weak positive relationship

Answer

A strong positive relationship

Answer

A weak negative relationship