Table 1.

Bloodstream infection (BSI) episodes in three time periods

	Total	2002–2005	2006–2009	2010–2013
All BSIs	1995 (100,0)	582 (100.0)	638 (100.0)	775 (100.0)
Place of acquisition
Community acquired	934 (46.8)	317 (54.5)	280 (43.9)	337 (43.5)
Health care-associated	787 (39.4)	175 (30.1)	277 (43.4)	335 (43.2)
Hospital acquired	274 (13.7)	90 (15.5)	81 (12.7)	103 (13.3)
Microbial agent(s)
Escherichia coli	686 (34.4)	186 (32.0)	231 (36.2)	269 (34.7)
Streptococcus pneumoniae	225 (11.3)	80 (13.8)	80 (12.5)	65 (8.4)
Staphylococcus aureus	218 (10.9)	72 (12.4)	55 (8.6)	91 (11.7)
Klebsiella spp.	135 (6.8)	22 (3.8)	44 (6.9)	69 (8.9)
Beta-hemolytic streptococci	104 (5.2)	33 (5.7)	35 (5.5)	36 (4.6)
Enterococcus spp.	89 (4.5)	28 (4.8)	26 (4.1)	35 (4.5)
Other mixed bacterial infections	68 (3.4)	21 (3.6)	19 (3.0)	28 (3.6)
Pseudomonas spp.	58 (2.9)	20 (3.4)	21 (3.3)	17 (2.2)
Viridans group streptococci	57 (2.9)	15 (2.6)	19 (3.0)	23 (3.0)
Coagulase-negative staphylococci	54 (2.7)	23 (4.0)	11 (1.7)	20 (2.6)
Proteus spp.	48 (2.4)	17 (2.9)	15 (2.3)	16 (2.1)
Anaerobic Gram-negative bacteria	45 (2.3)	14 (2.4)	16 (2.5)	15 (1.9)
Mixed Gram-negative aerobic or anaerobic bacteria	42 (2.1)	13 (2.2)	11 (1.7)	18 (2.3)
Enterobacter spp.	37 (1.9)	8 (1.4)	14 (2.2)	15 (1.9)
Other Enterobacteriaceae	37 (1.9)	7 (1.2)	12 (1.9)	18 (2.3)
Other aerobic Gram-negative bacteria	19 (1.0)	5 (0.9)	4 (0.6)	10 (1.3)
Haemophilus influenzae	17 (0.9)	6 (1.0)	8 (1.3)	3 (0.4)
Candida spp.	14 (0.7)	1 (0.2)	4 (0.6)	9 (1.3)
Anaerobic Gram-positive bacteria	11 (0.6)	3 (0.5)	4 (0.6)	4 (0.5)
Mixed gram-positive aerobic or anaerobic bacteria	11 (0.6)	1 (0.2)	4 (0.6)	6 (0.8)
Neisseria meningitidis	9 (0.5)	4 (0.7)	2 (0.3)	3 (0.4)
Listeria monocytogenes	8 (0.4)	2 (0.3)	2 (0.3)	4 (0.5)
Mixed bacterial and fungal infections	3 (0.2)	1 (0.2)	1 (0.2)	1 (0.1)

The table shows number (percent) of BSIs overall, by place of acquisition, and by microbial agent(s)