Table 2.
Microbiological findings
| Overall (n = 637) | IHD (n = 392) | CRRT (n = 245) | Pa | |
|---|---|---|---|---|
| Catheter-tip colonization | ||||
| n (%) | 162 (25.4) | 114 (29.1) | 48 (19.6) | <0.009b |
| Incidence per 1000 catheter-days | 38.9 | 42.7 | 27.7 | <0.02c |
| Microorganism characteristics (n) | ||||
| Gram positive | 92 | 73 | 19 | <0.005 |
| Staphylococcus epidermidis | 71 | 57 | 14 | <0.02 |
| Staphylococcus aureus | 10 | 6 | 4 | 0.49 |
| Enterococcus spp. | 6 | 6 | 0 | 0.19 |
| Other | 5 | 4 | 1 | >0.99 |
| Gram negative | 45 | 29 | 16 | 0.41 |
| Escherichia coli | 11 | 8 | 3 | >0.99 |
| Proteusspp. | 5 | 3 | 2 | 0.64 |
| Pseudomonas aeruginosa | 13 | 7 | 6 | 0.21 |
| Enterobacter spp. | 8 | 5 | 3 | 0.70 |
| Other | 8 | 6 | 2 | >0.99 |
| Fungi | 16 | 5 | 11 | <0.0008 |
| Polymicrobial | 9 | 7 | 2 | >0.99 |
| CRBSI | ||||
| n (%) | 8 (1.3) | 6 (1.5) | 2 (0.8) | >0.99b |
| CRBSI per 1000 catheter-days | 1.9 | 2.6 | 1.2 | 0.43c |
| Microorganism characteristics (n) | ||||
| Staphylococcus epidermidis | 4 | 3 | 1 | >0.99 |
| Staphylococcus aureus | 4 | 3 | 1 | >0.99 |
CRBSI, catheter-related bloodstream infection.
a
Comparing IHD versus CRRT in case of catheter-tip colonization, otherwise specified.
b
Comparing IHD versus CRRT by Fisher exact test.
c
Comparing IHD versus CRRT by Poisson regression.