TABLE 2

Organism distribution

OrganismaNo. (%) of patients with indicated infectionP value
Preintervention (n = 247)Intervention (n = 233)
Gram-positive133 (53.8)131 (56.2)0.65
    Staphylococcus aureus32 (13.0)38 (16.3)0.30
        MSSA22 (8.9)11 (4.7)0.07
        MRSA10 (4.0)27 (11.6)<0.01
    Streptococcus spp.24 (9.7)32 (13.7)0.20
    Enterococcus spp.30 (12.1)22 (9.4)0.38
        Enterococcus faecalis17 (6.9)12 (5.2)0.45
        Enterococcus faecium13 (5.3)9 (3.9)0.52
        VRE10 (4.0)8 (3.4)0.81
    Other47 (19.0)39 (16.7)0.55
Gram-negative100 (40.5)85 (36.5)0.40
    Escherichia coli39 (15.8)32 (13.7)0.61
    Klebsiella spp.18 (7.3)23 (9.9)0.33
    Enterobacter spp.15 (6.1)7 (3.0)0.13
    Pseudomonas aeruginosa10 (4.0)9 (3.9)>0.99
    Acinetobacter spp.6 (2.4)0 (0)0.03
    Citrobacter spp.3 (1.2)5 (2.1)0.49
    Serratia spp.1 (0.4)4 (1.7)0.20
    Achromobacter spp.1 (0.4)0 (0)>0.99
    Other7 (2.8)5 (2.1)0.77
Yeast14 (5.7)17 (7.3)0.18
    Candida spp.13 (5.3)17 (7.3)0.45
  • a Abbreviations: MSSA, methicillin-sensitive Staphylococcus aureus; MRSA, methicillin-resistant Staphylococcus aureus; VRE, vancomycin-resistant Enterococcus.