Table 1.
Epidemiology of 1,141 MRSA isolates in seven regions in China, including distributions of SCCmec, spa, and MLST types
| Parameter | Value |
|||||||
|---|---|---|---|---|---|---|---|---|
| Total | East | Middle | North | Northeast | Northwest | South | Southwest | |
| No. of hospitals | 69 | 18 | 11 | 9 | 6 | 10 | 9 | 6 |
| No. of MRSA isolates | 1,141 | 298 | 171 | 132 | 116 | 219 | 101 | 104 |
| No. of clones identified | 86 | 43 | 20 | 12 | 11 | 12 | 20 | 11 |
| ST-SCCmec type (%)a | ||||||||
| ST239-III | 74.6 | 55.7 | 79.5 | 84.8 | 62.1 | 92.7 | 68.3 | 89.4 |
| ST5-II | 9.3 | 16.1 | 5.3 | 4.5 | 32.8 | 0.5 | 2.0 | 1.9 |
| ST59-IV | 5.1 | 5.7 | 6.4 | 7.6 | 0.9 | 5.9 | 1.0 | 4.8 |
| Other | 11.0 | 22.5 | 8.8 | 3.0 | 4.3 | 0.9 | 28.7 | 3.8 |
| spa type (%a) | ||||||||
| t030 | 57.5 | 38.9 | 60.8 | 64.4 | 52.6 | 82.6 | 35.6 | 70.2 |
| t037 | 13.1 | 12.4 | 10.5 | 10.6 | 9.5 | 8.7 | 32.7 | 16.3 |
| t002 | 10.1 | 19.5 | 6.4 | 4.5 | 31.0 | 0.5 | 2.0 | 1.0 |
| t437 | 5.5 | 6.0 | 7.6 | 9.1 | 0.9 | 4.1 | 4.0 | 5.8 |
| Other | 13.8 | 23.2 | 14.6 | 11.4 | 6.0 | 4.1 | 25.7 | 6.7 |
| lukS-PV/lukF-PV positive (%) | 5.5 | 5.4 | 7.6 | 9.8 | 0 | 2.7 | 8.9 | 5.8 |
a
Percentage of each molecular type in the administrative region.