Table 6.

Microorganisms Isolated in Rectal Surveillance Cultures

	All	A	B	C
Microorganisms identified (n)	36	5	27	4
Gram positive (n)
Vancomycin-resistant Enterococcus	8	1	7 (2)	0
Bacillus cereus	2	1	1	0
Methicillin-resistant Staphylococcus aureus	1	0	1	0
Total (n)	11	2	9	0
Gram negative (n)
Pseudomonas aeruginosa	5	2 (1)	3	0
Fungus (n)
Candida albicans	11	1	7	3
Candida glabrata	5	0	4	1
Saccharomyces cerevisiae	2	0	2	0
Candida parapsilosis	1	0	1	0
Candida guilliermondii	1	0	1	0
Total (n)	20	1	15	4

Numbers in parentheses indicate number of positive blood cultures after identification in rectal culture.

A: Either patients received no prophylactic antibiotics or they received only prophylactic oral cephalosporins.

B: Prophylaxis with IV cefepime only or IV vancomycin plus an oral cephalosporin, oral ciprofloxacin, or IV cefepime.

C: Not evaluable.