The international surgical journal with global reach

This is the Scientific Surgery Archive, which contains all randomized clinical trials in surgery that have been identified by searching the top 50 English language medical journal issues since January 1998. Compiled by Jonothan J. Earnshaw, former Editor-in-Chief, BJS

The Multicentre Aneurysm Screening Study (MASS) into the effect of abdominal aortic aneurysm screening on mortality in men: a randomised controlled tri Lancet 2002; 360: 1531-9.

Published: 1st January 2002

Authors: The Multicentre Aneurysm Screening Study Group.

Conclusion

The study included 68,000 men aged 65-74 years. After a mean follow-up of four years, there were 65 aneurysm-related deaths in screened men and 113 in controls, a risk reduction of 42 per cent, 95 per cent confidence interval 22 to 58 per cent, p=0.0002.

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