Table 4.

Risk factors related to carbapenem-resistant Klebsiella pneumoniae bacteremia.

	N (%)	Univariate analysis RR (95% CI)	P	Multivariate analysis OR (95% CI)	P
Age > 70		1.35 (1.01–1.79)	.058
Yes	40 (62)
No	48 (46)
Admission to a ward with CRKp outbreak		2.83 (1.93–4.17)	<.001	7.98 (3.64–17.48)	<.001
Yes	67 (74)
No	21 (26)
Heart failure		1.42 (1.07–1.88)	.022
Yes	35 (65)
No	53 (46)
Dementia		1.70 (1.29–2.14)	.010
Yes	14 (82))
No	74 (48)
Diabetes mellitus		1.32 (0.99–1.77)	.085
Yes	29 (63)
No	59 (48)
Neoplasia		0.73 (0.52–1.02)	.059
Yes	27 (42)
No	61 (58)
Previous antimicrobial therapy		4.88 (1.93–12.35)	<.001	8.55 (2.23–32.77)	.002
Si	84 (61)
No	4 (13)
Previous admission for ≥20 d		1.36 (1.03–1.81)	.043	2.34 (1.08–5.27)	.031
Yes	45 (45)
No	43 (61)