Table 4. Multivariate analysis of risk factors associated with multi-resistant Pseudomonas aeruginosa bloodstream infections among patients admitted to the haematology intensive care unit of a tertiary academic hospital, in Cape Town, South Africa, January 2010–January 2011.

Control Group	Risk Factor	Adjusted OR (95% CI)	p-Value
Non-GN Controls	AML	19.5 (2.03–187)	0.010
	Amikacin	0.06 (0.006–0.581)	0.015
GN Controls	Metronidazole	16.7 (1.56–177)	0.020

AML Acute myeloid leukaemia.

Non-GN Controls patients who never developed bloodstream infection due to Gram-negative bacteria.

GN Controls patients with bloodstream infections due to Gram-negative bacteria other than P. aeruginosa.