TABLE 1.
Adherence of bacteria to polyurethane CVC surfaces
| Device | MRSA 4798
|
P. aeruginosa 4689
|
C. albicans 21
|
C. parapsilosis 091-18
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean no. of CFU | Median (range) | P valuea | Mean no. of CFU | Median (range) | P value | Mean no. of CFU | Median (range) | P value | Mean no. of CFU | Median (range) | P value | |
| Control CVC | 5,000 | 5,000 (5,000-5,000) | 5,000 | 5,000 (5,000-5,000) | 5,000 | 5,000 (5,000-5,000) | 5,000 | 5,000 (5,000-5,000) | ||||
| M/R-CVC | 1,912.5 | 100 (0-5,000) | 0.01 | 5,000 | 5,000 (5,000-5,000) | NS | 5,000 | 5,000 (5,000-5,000) | NS | 5,000 | 5,000 (5,000-5,000) | NS |
| CH/SS-CVC | 2,506.3 | 2,525 (0-5,000) | 0.03 | 4,443.8 | 5,000 (550-5,000) | NS | 937.5 | 1,000 (0-1,750) | 0.01 | 1,037.5 | 1,125 (0-1,900) | 0.01 |
| SPC-CVC | 5,000 | 5,000 (5,000-5,000) | NS | 5,000 | 5,000 (5,000-5,000) | NS | 5,000 | 5,000 (5,000-5,000) | NS | 5,000 | 5,000 (5,000-5,000) | NS |
| GND-CVC | 0 | 0 (0-0) | 0.0001 | 387.5 | 0 (0-3,100) | <0. 0001 | 25 | 0 (0-100) | 0.01 | 0 | 0 (0-0) | 0.008 |
a
P values indicate results of comparisons made with a control uncoated catheter (Wilcoxon rank sum test). NS, statistically not significant.