“…2,20,38 However, in a recent meta-analysis that included the previously mentioned studies, several factors exhibited significant risk for unintentional RFB, including intraoperative blood loss of more than 500 mL, longer duration of operation, involvement of more than 1 subprocedure or surgical team, unexpected intraoperative factors, and finally, lack of or incorrect surgical count. 39 In this study, we aimed to assess the frequency of RFB at the national level and across all disciplines, as opposed to previous studies that have focused on certain institutions' experiences and specific fields. We also aimed to identify the risk factors for and the clinical and economic outcomes associated with RFB in the United States by using data from the Nationwide Inpatient Sample (NIS) for the period of 2003 to 2009.…”