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KMID : 0191120210360270197
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Journal of Korean Medical Science
2021 Volume.36 No. 27 p.197 ~ p.197
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Predicted and Observed Incidence of Thromboembolic Events among Koreans Vaccinated with ChAdOx1 nCoV-19 Vaccine
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Huh Kyung-Min
Na Ye-Won
Kim Young-Eun
Radnaabaatar Munkhzul
Peck Kyong-Ran
Jung Jae-Hun
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Abstract
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We used the nationwide claims database to calculate the incidence of thrombotic events and predict their overall 2-week incidence. From 2006 to 2020, the incidence of deep vein thrombosis (DVT), pulmonary embolism (PE), and disseminated intravascular coagulation (DIC) tended to increase. Unlike intracranial venous thrombosis (ICVT) and intracranial thrombophlebitis (ICTP), which showed no age difference, other venous embolism, and thrombosis (OVET), DIC, DVT, and PE were significantly more common in over 65 years. The overall 2-week incidence of ICVT was 0.21/1,000,000 (95% confidence interval [CI], 0.11?0.32). ICTP, OVET, DIC, DVT and PE were expected to occur in 0.08 (95% CI, 0.02?0.14), 7.66 (95% CI, 6.08?9.23), 5.95 (95% CI, 4.88?7.03), 13.28 (95% CI, 11.92?14.64), 14.09 (95% CI, 12.80?15.37) per 1,000,000, respectively. To date, of 8,548,231 patients vaccinated with ChAdOx1 nCoV-19 in Korea, two had confirmed thrombosis with thrombocytopenia syndrome within 2 weeks. The observed incidence of ICVT after vaccination was 0.23/1,000,000.
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KEYWORD
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COVID-19, Thrombosis with Thrombocytopenia Syndrome, Vaccination, Vaccine Adverse Events
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