A study found Odd’s ratio of maternal hypeension to have IUGR fetus to be 1:5. What is the interpretation drawn ?
Correct Answer: Inverse association
Description: Framework of a case control study (The 2 x 2 contigency table) Suspected or risk factors Cases (Disease present) Control (Disease absent) Present Absent a c b d a+c b+d Odds Ratio used to calculate strength of association between risk factor and outcome in case of case control studies. Odds Ratio (OR) = (a x d)/(b x c) Interpretation: OR >1 --> Positive association OR =1 --> No association OR <1 --> Negative/inverse association In this question, OR is 1:5, i.e, 1/5 = 0.2 hence inverse association.
Category:
Social & Preventive Medicine
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now