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
MAC is not affected by all of the following except?
assistant
The correct answer is  MAC decreases with age. Excluding patients < 1 year of age every decade there is 6% decrease in value of MAC. Endocrine disorders, duration of anaesthesia, species ,sex does not affect MAC