A study on the global burden of venous thromboembolism—when a dangerous clot forms in a blood vessel—found that annual incidences range from 0.75 to 2.69 per 1,000 individuals in the population. The incidence increased to between 2 and 7 per 1,000 among those 70 years of age or more.
"Venous thromboembolism in hospitalized patients was responsible for more years lost due to ill-health than hospital-acquired pneumonia, catheter-related blood stream infections, and side effects from drugs," said Dr. Gary Raskob, co-author of the Journal of Thrombosis & Haemostasis study.
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Journal
Journal of Thrombosis and Haemostasis