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From “Analysis of 5-year blood culture at a university hospital (2003~2007)” published in 2009, Volume 12, No. 4 of the Korean Journal of Clinical Microbiology

Table 2.
Annual isolation of significant species of bacteria
Organisms Positive patients (%) according to years
2003 2004 2005 2006 2007 2003∼2007 Total (%) 1986∼1996 Total (%)
Staphylococcus aureus 73 (14.09) 93 (16.40) 79 (10.58) 135 (17.44) 50 (8.91) 430 (13.58) 530 (14.89)
Staphylococcus, coagulase negat tive 185 (35.71) 182 (32.10) 277 (37.08) 214 (27.65) 301 (53.65) 1,159 (36.60) 625 (17.56)
Streptococcus pneumoniae 8 (1.54) 13 (2.29) 4 (0.54) 5 (0.65) 8 (1.43) 38 (2.00) 61 (1.71)
α-hemolytic Streptococcus 7 (1.35) 9 (1.59) 8 (1.07) 8 (1.07) 6 (1.07) 38 (2.00) 96 (2.70)
β-hemolytic Streptococcus 2 (0.39) 5 (0.88) 1 (0.13) 1 (0.13) 0 (0) 9 (0.28) NA
Enterococcus faecalis 10 (1.93) 16 (2.82) 20 (2.68) 21 (2.71) 5 (0.89) 72 (2.27) NA
Enterococcus faecium 18 (3.47) 10 (1.76) 25 (3.35) 34 (4.39) 8 (1.43) 95 (3.00) NA
Escherichia coli 81 (15.64) 100 (17.64) 106 (14.19) 154 (19.90) 75 (13.37) 516 (16.30) 782 (21.97)
Salmonella typhi 1 (0.19) 1 (0.18) 1 (0.13) 2 (0.26) 1 (0.18) 6 (0.19) 69 (1.94)
Klebsiella pneumoniae 24 (4.63) 43 (7.58) 56 (7.50) 39 (5.04) 23 (4.10) 185 (5.84) 197 (5.54)
Enterobacter spp. 8 (1.54) 8 (1.41) 20 (2.68) 16 (2.07) 6 (1.07) 58 (1.83) 77 (2.16)
Serratia marcescens 4 (0.77) 3 (0.53) 5 (0.67) 8 (1.03) 1 (0.18) 21 (0.66) NA
Proteus spp. 2 (0.39) 1 (0.18) 2 (0.27) 8 (1.03) 4 (0.71) 17 (0.54) NA
Pseudomonas aeruginosa 13 (2.51) 9 (1.59) 14 (1.87) 15 (1.94) 11 (1.96) 62 (1.96) 145 (4.07)
Burkholderia cepacia 5 (0.97) 4 (0.71) 2 (0.27) 13 (1.68) 3 (0.53) 27 (0.85) 75 (2.11)
Total (%) 518 (100.0) 567 (100.0) 747 (100.0) 774 (100.0) 561 (100.0) 3,167 (100.0) 3,559 (100.0)

Abbreviation: NA, not available.

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