Table 1.
S. aureus isolates with and without different types of rearrangement in the spa -gene in community and inpatient samples: formerly non-typeable isolates
|
Group |
Community
1
|
Hospital
2
|
||||||
|---|---|---|---|---|---|---|---|---|
| |
Isolates |
Individuals |
Isolates |
Individuals |
||||
| no. | % | no. | % | no. | % | no. | % | |
| Total |
3,905 |
100% |
442 |
100% |
2,205 |
100% |
1,273 |
100% |
| Pure without deletions/insertions or with hidden deletions3 |
3647 |
93.4% |
334 |
75.6% |
2055 |
93.2% |
1150 |
90.3% |
| Mixed with or without deletions and/or rearrangements4 |
258 |
6.6% |
108 |
24.4% |
150 |
6.8% |
123 |
9.7% |
| Formerly non-typeable: i.e. pure with rearrangements affecting standard spa-typing |
72 |
1.8% (from total) |
8 |
1.8% (from total) |
14 |
0.6% (from total) |
9 |
0.7% (from total) |
| 27.9% (from 12 picks) | 7.4% (from12 picks) | 9.3% (from 12 picks) | 7.3% (from 12 picks) | |||||
1 – nasal swabs collected from individuals recruited in 5 GP practices in Oxfordshire.
2 – nasal swabs from individuals admitted to the adult ITU, Gerontology and Trauma wards of the Oxford University Hospitals NHS Trust.
3 – indicates where all samples from an individual were pure using our spa-typing protocol (i.e. were without deletions/insertions or only with hidden deletions) versus any sample did not fall into this category.
4 –subjected to 12 single colony picks, i.e. 12 sub-colonies analysed from each sample.