Table 1.
Comparison of four combinations (CDIF 24 hr, CDIF 48 hr, CDSA 48 hr, and CDSA 72 hr)

*Obtained by exact McNemar test using Bonferroni adjustment.
Abbreviations: CDIF 24 hr, growth of C. difficile colonies on chromID C. difficile agar (CDIF) at 24 hr incubation; CDIF 48 hr, growth of C. difficile colonies on CDIF agar at 48 hr incubation; CDSA 48 hr, growth of C. difficile colonies on BBL C. difficile Selective Agar (CDSA) at 48 hr incubation; CDSA 72 hr, growth of C. difficile colonies on CDSA at 72 hr incubation; CI, confidence intervals.