Table 3.
Etiology of positive superficial culturesa
| Microorganism | Value(s) |
|||
|---|---|---|---|---|
| Group A (skin) | Group B |
|||
| Global | Skin | Hubs | ||
| Gram-positive bacteria | 133 (92.4) | 68 (84.0) | 67 (87.0) | 1 (25.0) |
| CoNS | 96 (66.7) | 53 (65.4) | 52 (67.5) | 1 (25.0) |
| Corynebacterium spp. | 15 (10.4) | 5 (6.2) | 5 (6.5) | 0 (0.0) |
| Staphylococcus aureus | 13 (9.0) | 9 (11.1) | 9 (11.7) | 0 (0.0) |
| Micrococcus spp. | 5 (3.5) | 1 (1.2) | 1 (1.3) | 0 (0.0) |
| Enterococcus spp. | 3 (2.1) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Streptococcus viridans | 1 (0.7) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Gram-negative bacteria | 10 (6.9) | 7 (8.6) | 6 (7.8) | 1 (25.0) |
| Enterobacteriaceae | 4 (2.8) | 5 (6.2) | 4 (5.2) | 1 (25.0) |
| NFGNB | 6 (4.2) | 2 (2.5) | 2 (2.6) | 0 (0.0) |
| Yeasts | 1 (0.7) | 6 (7.4) | 4 (5.2) | 2 (50.0) |
| Candida albicans | 0 (0.0) | 2 (2.5) | 1 (1.3) | 1 (25.0) |
| Candida parapsilosis | 1 (0.7) | 2 (2.5) | 2 (2.6) | 0 (0.0) |
| Candida glabrata | 0 (0.0) | 2 (2.5) | 1 (1.3) | 1 (25.0) |
| Total | 144 | 81 | 77 | 4 |
a
Values represent numbers (%) of patients except where otherwise indicated. CoNS, coagulase-negative staphylococci; NFGNB, nonfermenting Gram-negative bacilli; Group A, totally implantable venous access ports; group B, long-term tunneled catheters.