epidermiology

  

. 

An OPAL student reads an article about patient safety describing the number of hospital-acquired infections among in-patient surgery patients who were known to be infection-free at the time of surgery between 2014 and 2018 from a single hospital. The article presented data for 75 infections in 1254 patients which the authors summarized as 6 infections per 100 surgery patients. Which measure of morbidity best describes this summary? (Select one)

a. Prevalence

b. Attack rate

c. Incidence rate

d. Case-fatality rate