Table 2 Microbiological and genotypic characteristics of hVISA and VSSA bacteriaemia in ICU
| Â | Isolation no. (%) | Â | |
|---|---|---|---|
|  | hVISA (n = 14) | VSSA (n = 34) | p |
Vancomycin MIC | Â | Â | Â |
(E test) | Â | Â | < 0.001 |
 1 mg/L | 0 | 6 |  |
 1.5 mg/L | 0 | 18 |  |
 2 mg/L | 14 | 10 |  |
MLST | Â | Â | 0.007 |
 ST-239 | 14 (100) | 14 (41.2) |  |
 ST-5 | 0 | 12 (35.3) |  |
 ST-59 | 0 | 5 (14.7) |  |
 ST-45 | 0 | 2 (5.9) |  |
 ST-1 | 0 | 1 (2.9) |  |
SCCmec type | Â | Â | 0.095 |
 II | 5 (35.7) | 17 (50) |  |
 III | 9 (64.3) | 10 (29.4) |  |
 IV | 0 | 5 (14.7) |  |
 V | 0 | 2 (5.95) |  |
agr subgroup | Â | Â | 0.4 |
 1 | 11 (78.6) | 20 (58.8) |  |
 2 | 3 (21.4) | 13 (38.2) |  |
 3 | 0 | 1 (2.9) |  |
agr dysfunction | 10 (71.4) | 3 (8.8) | <0.001 |