Table 2.
Transfer of bacteria from recently contaminated fingertips (wet inoculum) and old contamination (dry inoculum) to a donor surface (keyboard key) and when in the presence of different soiling conditions; n = 10
| Median Log10 CFUs transferred (Inter-Quartile Range) | ||||||
|---|---|---|---|---|---|---|
| Organism | Un-treated (control) glove | PHMB-treated glove | ||||
| Wet Inoculum | No soiling (DW) |
Moderate soiling (0.5% BSA) |
Heavy soiling (Blood) |
No soiling (DW) |
Moderate soiling (0.5% BSA) |
Heavy soiling (Blood) |
| MRSA | 4.20 (4.15–4.21) | 4.08 (4.06–4.11) | 4.16 (4.06–4.20) | 4.06 (3.96–4.07) | 4.07 (4.05–4.08) | 3.99 (3.95–4.09) |
| Carbapenem-resistant E.coli | 4.12 (4.09–4.15) | 4.17 (4.12–4.11) | 4.13 (4.12–4.23) | 4.08 (4.08–4.13) | 4.10 (4.08–4.13) | 4.19 (4.16–4.26) |
| K. pneumoniae | 4.39 (4.36–4.40) | 4.29 (4.25–4.45) | 4.20 (4.19–4.34) | 4.39 (4.25–4.40) | 4.28 (4.27–4.31) | 4.35 (4.29–4.39) |
| S. pyogenes | 4.54 (4.47–4.59) | 4.65 (4.60–4.66) | 4.75 (4.73–4.780 | 4.59 (4.25–4.40) | 4.54 (4.41–4.57) | 4.52 (4.45–4.56) |
| Dry Inoculum | No soiling (DW) |
Moderate soiling (0.5% BSA) |
Heavy soiling (Blood) |
No soiling (DW) |
Moderate soiling (0.5% BSA) |
Heavy soiling (Blood) |
| MRSA | 4.09 (4.07–4.20) | 4.21 (4.20–4.23) | 4.21 (4.17–4.23) | <0.301 | <0.301 | 1.68 (1.64–1.72) |
| Carbapenem-resistant E.coli | 3.74 (3.69–3.80) | 4.12 (4.10–4.16) | 4.19 (4.15–4.27) | <0.301 | <0.301 | 2.12 (2.05–2.40) |
| K. pneumoniae | 4.36 (4.33–4.39) | 4.34 (4.29–4.40) | 4.43 (4.39–4.48) | <0.301 | <0.301 | 1.38 (1.38–1.60) |
| S. pyogenes | 4.29 (4.26–4.34) | 4.59 (4.57–4.61) | 4.66 (4.58–4.69) | <0.301 | <0.301 | 2.77 (2.70–2.82) |
Note: Numbers below the detection limit (2 CFU) are expressed as <0.301 Log10 numbers