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Table 1 Prevalence of Clostridium difficile shedding by slaughter age pigs in 5 difference Canadian provinces.

From: Clostridium difficile and methicillin-resistant Staphylococcus aureusshedding by slaughter-age pigs

Province Number of pigs Unadjusted prevalence (%) (95% CI) Adjusted pig prevalence (%), (95% CI) Farm prevalence
A 100 4.0 (1.5-10.2) 3.0 (0.5-15.9) 3/11 (27%)
B 50 26 (15.7-39.8) 26 (15.7-39.8) 5/5 (100%)
C 100 4.0 (1.5-10.2) 4.0 (1.5-10.2) 4/10 (40%)
D 106 0 0 0/11
E 80 11.3 (6.0-20.2) 3.0 (0.2-31.4) 3/8 (38%)
Total 436 6.9 (4.9-9.7) 3.4 (0.8-13.6) 15/45 (33%)