Table 2. Incidence and Quantitation of HHV-6 and CMV Viremia.
| All ICUs n = 115 | ||
|---|---|---|
|
| ||
| Variable | HHV-6 | CMV |
| Viremia at any level, n (%) | 27 (23) | 39 (34) |
| Viremia >1000 copies/ml, n (%) | 6 (5) | 24 (21) |
| Maximum viral load (log10 PCR copies), median (range) | 2.4 (1.4-4.1) | 3.3 (1.8-5.5) |
| Days to first detectable viremia, median (range) | 10 (0-75)a | 12 (3-57) |
| Duration of viremia in days, median (range)b | 1 (1-4) | 14 (1-38) |
| Reactivation by ICU, n (%)c | ||
| BICU | 8 (40) | 11 (55) |
| CICU | 3 (15) | 3 (15) |
| MICU | 8 (20) | 10 (25) |
| TICU | 8 (20) | 15 (38) |
a
Two patients had HHV-6 detected on the day of admission to the hospital.
b
22% of patients had subsequent detection of HHV-6 after the initial period of detection
c
Number of reactivation events per ICU