“…The reported rates of DVT in previous Asian studies (Xu et al 2008, Chin et al 2009, Taniguchi et al 2009, Wilasrusmee et al 2009) were between 5AE01-26AE60%. Most previous Asian studies mainly have been focused on DVT rate and risk factors of hip or knee arthroplasty patients, who are a high-risk population, and neurorehabilitation patients (Chua et al 2008, Xu et al 2008, Agarwal et al 2009, Chin et al 2009, Taniguchi et al 2009, Kim et al 2011, Oh 2011. Although the reported incidences were not all lower than those of Western countries (Chin et al 2009, Kim et al 2011, DVT has been assumed to develop less frequently in Koreans and Asians than in Western populations (Agarwal et al 2009, Oh 2011.…”