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Table 3 Isolation of methicillin-resistant Staphylococcus aureus (MRSA) from slaughter-age pigs in Canada.

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

Province Number of farms, pigs Unadjusted pig prevalence (%, 95% CI) Adjusted pig prevalence (%, 95% CI) Farm prevalence
A 10, 100 0 0 0
B 5, 50 0 0 0
C 10,100 11 (6.2-18.8) 0.04 (0.0-99.8) 30% (3/10)
D 13, 130 0.8 (0.1-5.3) 0.77 (0.1-5.3) 7.7% (1/13)
E 8, 80 11.3 (6.0-20.2) 0.35 (0-88.8) 25% (2/8)
Total 46, 460 4.6 (3.0-6.9) 0.002 (0-12.8) 13% (6/46)