Traumatic Spinal Cord Injury Mortality, 1981–1998 (original) (raw)
2007, Annals of Epidemiology
(81%) had more than two risk factors. Compared to younger HCV patients, older patients were more likely to have exposure to blood products (32% vs. 17%; p!0.001) but less likely to have injection drug use (59% vs. 74%; p!0.001). Proportion of newly diagnosed patients associated with blood transfusion before 1990 significantly declined (p!0.05) from 16.7% in the period 1998 to 2000, to 13.5% in the period 2004 to 2006. CONCLUSION: The above figures are useful for evaluating the epidemiological changes of HCV infection and for anticipating the future economical cost of the hepatitis C treatment. The recognition of the potential presence of multiple risk factors may have important implications determining approaches to HCV surveillance, particularly the use of hierarchical algorithms in the study of risk factors.
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