A recent study compared patients who developed a central venous catheter infection. the investigators then reviewed the medical history of each patient to determine possible risk factors for a central venous catheter infection. Which of the following best describes this study design? a. case series b. case-control study c. cohort study d. randomized controlled trial
A recent study compared patients who developed a central venous catheter infection. the investigators then reviewed the medical history of each patient to determine possible risk factors for a central venous catheter infection. Which of the following best describes this study design?
a. case series
b. case-control study
c. cohort study
d. randomized controlled trial
e. systemic review
Case series :
* A group of patients who have same diesese investigate by investigation of old medical records
Case control study :
* Here two groups present ( one with diesese : case) and (one without diesese : control) ,
Than analysis the diesese cause.
Cohort study :
* In this study , a group of patients with common diesese followed for a particular time period.
Randomised controlled trials :
* In it, patients randomly divided in two groups ,
Both groups given seprate treatment and compare results.
Systematic review :
* It is comprehensive report which
Step by step
Solved in 2 steps
