Table 1.

Demographic and clinical characteristics of patients infected by binary toxin-positive Clostridium difficile compared with those by binary toxin-negative toxin A and toxin B-positive isolates

A⁺B⁺CDT^-, toxin A and toxin B-positive binary toxin-negative; A⁺B⁺CDT⁺, toxin A and toxin B-positive binary toxin-positive; CVA, cerebrovascular accident; DM, diabete mellitus; H2B, H 2 receptor blocker; PPI, proton pump inhibitor; ESC, extended spectrum cephalosporins; FQ, fluoroquinolones; DDD, defined daily dose.

^aBy Pearson's Chi-square test or Fisher's exact test for categorical variables and by Student t-test or Mann-Whitney U-test for continuous variables.

^bPrevious antibiotics within 2 months prior to Clostridium difficile infection development.