Table 2 Comparison of colony numbers
From: The Bair Hugger patient warming system in prolonged vascular surgery: an infection risk?
| Â | Number of bacterial colonies at different sites (see Fig. 1) | |||||
|---|---|---|---|---|---|---|
|  | Room air (A1–A3) | Exhaust (B1 and B2) | ||||
Patient number | Pre | Post | Change | Pre | Post | Change |
1 | 112 | 71 | -41 | 29 | 27 | -2 |
2 | 102 | 62 | -40 | 32 | 30 | -2 |
3 | 99 | 70 | -29 | 24 | 22 | -2 |
4 | 98 | 73 | -25 | 22 | 21 | -1 |
5 | 97 | 62 | -35 | 27 | 25 | -2 |
6 | 120 | 67 | -53 | 25 | 23 | -2 |
7 | 89 | 63 | -26 | 37 | 25 | -12 |
8 | 129 | 73 | -56 | 24 | 22 | -2 |
9 | 124 | 68 | -56 | 27 | 23 | -4 |
10 | 296 | 141 | -155 | 90 | 86 | -4 |
11 | 98 | 70 | -28 | 30 | 24 | -6 |
12 | 82 | 63 | -19 | 31 | 30 | -1 |
13 | 96 | 66 | -30 | 22 | 20 | -2 |
14 | 91 | 64 | -27 | 28 | 25 | -3 |
15 | 90 | 68 | -22 | 31 | 29 | -2 |
16 | 83 | 66 | -17 | 27 | 26 | -1 |