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The incidence of superficial vein thrombosis (SVT) in the general adult population remains unknown.

To assess the annual diagnosis rate of symptomatic, objectively confirmed lower limb SVT, associated or not with concomitant deep vein thrombosis and/or symptomatic pulmonary embolism.

We conducted, from November 14, 2011, to November 13, 2012, a multicenter, community‐based study in the Saint‐Etienne urban area, France, representing a population of 265 687 adult residents (according to the 2009 census). All 248 general practitioners located within the area were asked to refer any patient with clinically suspected lower limb acute SVT to a vascular physician for systematic compression ultrasonography. All 28 vascular physicians located within the area participated in the study. The annual diagnosis rate, with the corresponding 95% confidence interval (CI), was …