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 group of investigators is evaluating the diagnostic properties of a new blood test that uses two serum biomarkers, dityrosine and Nε-carboxymethyl-lysine, for the clinical diagnosis of autism spectrum disorder (ASD) in children. The test is considered positive only if both markers are found in the serum. 50 children who have been diagnosed with ASD based on established clinical criteria and 50 children without the disorder undergo testing. The results show:
Diagnosis of ASD No diagnosis of ASD
Test positive 45 15
Test negative 5 35
Which of the following is the specificity of this new test?"
assistant
70%