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- Title
Incidence of idiopathic deep venous thrombosis and secondary thromboembolism among ethnic groups in California.
- Authors
White RH; Zhou H; Romano PS; White, R H; Zhou, H; Romano, P S
- Abstract
<bold>Background: </bold>Few studies have compared the incidence of deep venous thrombosis among ethnic groups.<bold>Objective: </bold>To determine the incidence of deep venous thrombosis among ethnic groups.<bold>Design: </bold>Analysis of the linked California Patient Discharge Data Set from 1991 to 1994.<bold>Setting: </bold>California.<bold>Patients: </bold>17991 patients with idiopathic deep venous thrombosis (thrombosis without cancer or hospitalization within preceding 6 months) and 5573 patients with secondary thromboembolism (thromboembolism occurring within 3 months of seven different events).<bold>Measurements: </bold>Ethnicity was determined by using race as documented in the data set. For idiopathic deep venous thrombosis, standardized age- and sex-adjusted incidences were calculated. For secondary thromboembolism, proportional hazards modeling was done.<bold>Results: </bold>The annual incidence of idiopathic deep venous thrombosis per 1000000 persons older than 18 years of age was 230 for white persons, 293 for African Americans (rate ratio, 1.27 [95% CI, 1.07 to 1.51]), 139 for Hispanic persons (rate ratio, 0.60 [CI, 0.54 to 0.67]), and 60 for Asians and Pacific Islanders (rate ratio, 0.26 [CI, 0.22 to 0.30]). Compared with white persons, Asians and Pacific Islanders who developed secondary thromboembolism had a significantly lower relative risk (range, 0.22 to 0.61) for all seven conditions analyzed.<bold>Conclusions: </bold>Compared with white persons, Asians and Pacific Islanders have a very low incidence of idiopathic deep venous thrombosis and a very low relative risk for secondary venous thromboembolism.
- Publication
Annals of Internal Medicine, 1998, Vol 128, Issue 9, p737
- ISSN
0003-4819
- Publication type
journal article
- DOI
10.7326/0003-4819-128-9-199805010-00006