Medical MCQ - A screening test has 90% sensitivity and 90% specificity. Diseased population is 10% What is PPV ?

A screening test has 90% sensitivity and 90% specificity. Diseased population is 10% What is PPV ?

PPV 80%

PPV 85%

PPV 90%

PPV 95%

Question Category:

Social & Preventive Medicine

Correct Answer:

PPV 90%

Description:

Sensitivity = 90% Specificity = 90% Prevalence = 10% (i) Formula for PPV according to Bayes Theorem,

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