[Epidemiology of diseases of the veins of the lower extremities in various climato-geographic conditions].

An epidemiological study performed in different contrast climatic and geographic zones of the country has shown higher incidence of diseases of veins in regions of Siberia as compared to regions of Middle Asia. Risk factors of diseases of lower extremity veins occur 1.5-2 times more often in Siberia than in Middle Asia. Rural population have diseases of the lower extremity veins 1.5-2 times more often that the urban population in the both regions. Such diseases are found 3-5 times more often in people with the presence of risk factors than in the population without them.