Table 1.
minimum and maximum log10reduction after exposure to two 30-second UV-C cyclesa |
||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Blood pressure gauge (n = 8) | Patient call button (n = 8) | Infusion pump (n = 5) | Tympanic thermometer (n = 9) | Oximeter (base unit) (n = 7) | Computer keyboard/mouse (n = 4) | TV remote control (n = 4) | Blood pressure cuff (n = 6) | |||||||||
Pathogen b |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
MRSA |
4.40 |
>5.29 |
>4.74 |
>5.17 |
>4.94 |
>5.08 |
2.16 |
>5.45 |
>5.25 |
>5.48 |
>4.97 |
>5.10 |
>5.05 |
>5.32 |
1.93 |
>5.13 |
VRE |
>5.11 |
>5.23 |
>5.05 |
>5.21 |
>4.93 |
>5.30 |
1.49 |
>5.44 |
>4.91 |
5.27 |
4.28 |
>5.03 |
4.93 |
>5.16 |
2.13 |
>5.00 |
A. baumannii |
3.44 |
>5.54 |
5.32 |
>5.59 |
>5.39 |
>5.56 |
2.29 |
>5.64 |
>5.13 |
>5.48 |
4.90 |
>5.74 |
>5.33 |
>5.75 |
3.46 |
>5.39 |
Kleb. pneum | 2.76 | >5.19 | >4.84 | >5.25 | 4.04 | 5.07 | 1.02 | >5.11 | >4.33 | >5.08 | >5.11 | >5.21 | >5.05 | >5.12 | 3.24 | >5.34 |
ainitial inoculum: 106 cfu/cm2.
btest organism suspended in ¼-strength Ringer’s solution.