Table 3.
Date of sampling | Sample type(s) | No. of samples | No. of PCR-positive samples | % positive | Mean no. of GE ± SD | Median no. of GE |
---|---|---|---|---|---|---|
June 2011 | Bulk, sponge, vacuum | 64 | 54 | 84.4 | 34,273 ± 194,514 | 7 |
May 2012 | Bulk, sponge, vacuum | 78 | 54 | 69.2 | 7,508 ± 30,969 | 28 |
May 2012 | Air | 30 | 20 | 66.7 | 98.4 ± 138.1 | 49 |
GE, genome equivalents; SD, standard deviation.