Table 1 Total number of patients included in the analysis. Data were downloaded from the ACS-NSQIP database from January 1, 2006 to December 31, 2011 for all patients who were hospitalized for surgery and followed up within 30 days after discharge

From: A significant proportion of venous thromboembolism events in general surgical patients occurs after discharge: analysis of the ACS-NSQIP Essentials database