Fig. 1From: Prevention of severe infectious complications after colorectal surgery using oral non-absorbable antimicrobial prophylaxis: results of a multicenter randomized placebo-controlled clinical trialDefinitions of primary and secondary endpoints. SSIs were diagnosed with the CDC criteria [17]. CDC, Centers for Disease Control and Infection Prevention; ESBL-E, extended spectrum beta-lactamase producing Enterobacteriaceae; ICU, intensive care unit; SSI, surgical site infectionBack to article page