|
Comparison of the mean number of colonies |
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| Mean number of colonies |
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|
|
|||
| Site (see Fig. 1) |
Start of operation |
End of operation |
Mean change |
|
|
|||
| Operating room air (A1–A3) |
112.9 (82–296) |
71.7 (62–162) |
36.4% reduction |
| Exhaust (B1 and B2) |
31.6 (22–90) |
28.6 (15–86) |
9.5% reduction |
| Hose/filter (C) |
0 |
0 |
- |
| Wound (D) |
0 |
0 |
- |
|
Values are expressed as mean (range). | |||
Huang et al. Critical Care 2003 7:R13 doi:10.1186/cc1888 |
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