Table 4

Resistance in the ICUs of a large Toronto hospital in 2011

	Escherichia coli n=85	Klebsiella n=56	Enterobacter n=42	Serratia n=15	Proteus n=7	Acinetobacter baumannii n=5	Pseudomonas aeruginosa n=89	CoNS n=127	Staphylococcus aureus n=102	Enterococcus faecalis n=12	Enterococcus faecium n=21
Amikacin	0	0	0	0	0	20	11	.	.	.	.
Tobramycin	16	6	2	0	0	0	11	.	.	.	.
Gentamicin	15	6	2	0	0	0	27	.	.	.	.
Ciprofloxacin	37	6	5	0	0	0	33	m	≥15	100	.
Tmp-smx	26	14	21	0	0	0	.	47	1	.	.
Vancomycin	.	.	.	.	.	.	.	0	0	0	48
Clindamycin	.	.	.	.	.	.	.	67	45	.	.
Daptomycin	.	.	.	.	.	.	.	0	0	0	0
Erythromycin	.	.	.	.	.	.	.	75	48	100	100
Nitrofurantoin	3	60	83	.	.	.	.	0	0	m	100
Linezolid	.	.	.	.	.	.	.	1	0	0	0
Fosfomycin	m	m	m	m	m	.	100	m	m	m	.
Doxycycline	41	20	33	100	100	m	.	26	3	100	50
Ampicillin	67	.	.	.	14	.	.	100	100	0	100
Cefazolin	38	≥9	.	.	m	.	.	81	15	.	.
Ceftazidime	22	9	41	0	0	100	24	.	.	.	.
Amox-clav	36	14	.	.	14	.	.	81	15	0	100
Pip-tazo	25	0	41	0	m	0	18	81	15	0	100
Caz-avi	0	0	0	0	0	74	4	.	.	.	.
Cef-tazo	0	9	5	0	0	60	7	.	.	.	.
Meropenem	0	0	0	0	0	0	23	81	15	m	.

Numbers are the percentage of resistant isolates. ‘m’ indicates a missing value, italics indicate an inferred value (see online supplementary appendix A, table 3), and ‘.’ indicates information that is not required for calculation of the indices.