SURGICAL SITE INFECTIONS IN SON LA GENERAL HOSPITAL 2009 - 2012: INCIDENCE, RISK FACTORS AND OUTCOMES A prospective study carried out in 1416 patients undergoing surgical procedures in General Surgery department of Son La general hospital from December 2009 to March 2012. Of these patients, 115 developed an surgical site infection (SSI), accounting for an overall SSI rate of 8.1%.