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
Denominator in sensitivity is ?
assistant
The correct answer is  Ans. is 'b' i.e., Total number of diseased people i) SensitivityIt is the percentage of diseased people that who are diagnosed as having disease.Total number of diseased people = True positive + False negative.Number of people (among diseased people) diagnosed as having disease = True positives. ii) SpecificityIt is the percentage of healthy people who are identified as healthy.Total number of healthy people = True negatives + False positivesNumber of healthy people who are identified as healthy = True negatives