Table 2.

EBV, CMV and HHV-6 blood replication.

EBV Blood DNA detection – No. positive / No. tested (%)	28/34 (82)
Positive but not quantifiable viral load – No. of patients / No. positive for EBV detection (%)	9/28 (32)
Quantifiable viral load – No. of patients / No. positive for EBV detection (%)	19/28 (68)
Median blood viral load in patients with quantifiable EBV replication – IU /mL (range)	8,648 (1,654 – 242,674)
Median delay between ICU admission and first EBV DNA detection – days (range)	4 (0–20)
Median duration of EBV viremia in the ICU – days (range)	7 (1–54)
CMV Blood DNA detection – No. positive / No. tested (%)	5/34 (15)
Positive but not quantifiable viral load – No. of patients / No. positive for CMV detection (%)	1/5 (20)
Quantifiable viral load – No. of patients / No. positive for CMV detection (%)	4/5 (80)
Median blood viral load in patients with quantifiable CMV replication – IU /mL (range)	4,930 (805 – 32,221)
Median delay between ICU admission and first CMV DNA detection – days (range)	12 (1–16)
Median duration of CMV viremia in the ICU – days (range)	15 (1–54)
HHV-6 Blood DNA detection – No. positive / No. tested (%)	7/32 (22)
Positive but not quantifiable viral load – No. of patients / No. positive for HHV-6 detection (%)	6/7 (86)
Quantifiable viral load – No. of patients / No. positive for HHV-6 detection (%)	1/7 (14)
Blood viral load in patient with quantifiable HHV-6 replication – IU /mL	11,430
Median delay between ICU admission and fist HHV-6 DNA detection – days (range)	12 (8–19)
Median duration of HHV-6 viremia in the ICU – days (range)	1 (1–4)

CMV: cytomegalovirus; EBV: Epstein–Barr virus; HHV-6: human herpes virus-6; ICU: intensive care unit.