Table 2.
Microbiologic characteristics of isolates from patients with multiple episodes of MRSA bacteremia compared to those from patients with a single episodea
| Variable | No. (%) of patients with: |
P value | |
|---|---|---|---|
| Relapse (n = 11) | Single episode (n = 102) | ||
| agr type II | 10 (90.9) | 37 (36.3) | 0.0006* |
| SCCmec type II | 9 (81.8) | 23 (22.6) | 0.0002* |
| PVL | 6 (54.6) | 57 (55.9) | 1.00 |
| Vancomycin MIC of >1.5 | 3 (27.3) | 10 (9.8) | 0.11 |
| hVISA | 2 (18.2) | 0 (0.0) | 0.009* |
| Persistent bacteremia | 6 (54.5) | 14 (13.7) | 0.004* |
a
*, statistically significant.