system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A screening test was positive in 50% of diseased and 10% of healthy population. What is the specificity of the test?
assistant
The correct answer is  Screening Test Gold Standard Positive Negative Positive 50 10 Negative 50 90 Specificity= True Negative / True Negative + False Positives = 90/90 + 10 = 90/100 = 0.9