Introduction

What do the results mean for patients clinically judged unlikely to have a deep vein thrombosis?

Click here and look at Figure 1 on page 1229 and ask yourself what the differences are between the two groups, in terms of the number of ultrasound scans performed, and the number of people who developed venous thrombo-embolic events after follow-up.

Then decide whether or not you think this is a safe strategy.