Research Article
Procalcitonin Levels in Gram-Positive, Gram-Negative, and Fungal Bloodstream Infections
Table 2
PCT median values corresponding to pathogens that were isolated from two or more patients with monomicrobial bloodstream infections.
| Pathogen | Number of patients | Median PCT values (interquartile range) (ng/mL) |
| Gram-positives | | | Staphylococcus aureus | 103 | 3.6 (1.3–9.3) | Enterococcus faecalis | 43 | 0.5 (0.3–2.2) | Enterococcus faecium | 18 | 1.6 (0.9–2) | Streptococcus pneumoniae | 18 | 6.9 (3.3–23.9) | Streptococcus pyogenes | 5 | 2.1 (0.2–2.2) | Streptococcus gallolyticus | 4 | 14 (1.6–26.1) | Listeria monocytogenes | 3 | 1.1 (0.6–1.2) | Streptococcus parasanguinis | 3 | 0.3 (0.2–2.7) | Streptococcus agalactiae | 3 | 1.8 (1–7.9) | Streptococcus mutans | 2 | 6.3 (0.6–12.1) | Streptococcus bovis | 2 | 1.1 (0.7–1.4) | Streptococcus sanguinis | 2 | 5.4 (0.1–10.7) | Propionibacterium acnes | 2 | 0.07 (0.05–0.1) | Gram-negatives | | | Enterobacteriaceae | | | Escherichia coli | 183 | 18.5 (6.5–56.4) | Klebsiella pneumoniae | 56 | 22.3 (9.6–52.4) | Enterobacter cloacae | 14 | 5.5 (3.5–7.5) | Proteus mirabilis | 12 | 11.3 (8.3–16.5) | Serratia marcescens | 5 | 14.9 (3.8–15.5) | Klebsiella oxytoca | 5 | 2.3 (1.1–3.7) | Salmonella typhi | 3 | 23.2 (18–24.7) | Pantoea agglomerans | 3 | 21.5 (12.5–110.7) | Enterobacter aerogenes | 2 | 71.8 (68.2–75.4) | Citrobacter koseri | 2 | 21 (14.4–27.7) | Nonfermentative obligate aerobic | | | Pseudomonas aeruginosa | 21 | 6.8 (1.3–11.9) | Acinetobacter baumannii | 16 | 2.2 (0.6–7.4) | Stenotrophomonas maltophilia | 4 | 20.5 (9.4–166.6) | Obligate anaerobic | | | Bacteroides fragilis | 8 | 2.8 (0.5–8.5) | Fungi | | | Candida albicans | 12 | 0.5 (0.3–1.2) | Candida parapsilosis | 3 | 0.6 (0.5–0.9) | Candida lusitaniae | 5 | 0.6 (0.4–0.7) |
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