Table 1.

Antimicrobial exposure among residents colonized and not colonized with Clostridium difficile

Antimicrobial group N (%)	Controls (C. difficile−) N = 21	Cases (C. difficile +) N = 7	P value
Penicillins	1 (5)	0	1.00
Extended spectrum penicillins	3 (14)	0	0.55
First-generation cephalosporins	3 (14)	1 (14)	1.00
Other cephalosporins	4 (19)	3 (43)	0.32
Carbapenems	1 (5)	1 (14)	0.44
Quinolones	7 (33)	0	0.14
Azithromycin	1 (5)	0	1.00
Doxycycline	0	0	–
Trimethoprim-sulfameth-oxazole	2 (10)	3 (43)	0.08
Nitrofurantoin	4 (19)	1 (14)	1.00
Gentamicin	0	0	–
Vancomycin	2 (10)	0	1.00
Linezolid	0	0	–