Only abstract available here. Supra-physiologic Testosterone therapy needs to be included in potential causes of polycythemia and stroke in men. Remember the 25-50-21 rule in that 25% of men on Testosterone therapy are never checked prior to initiation of Testosterone and 50% are not followed after initiation of Testosterone therapy.
low vitamin D predicts increased risk of Major adverse cardiac and/or cerebrovascular events after cardiac surgery. The definition of low D was <30. A better study would have been to stratify by 10s the risk.