Table 1.
Age group, yr | Severity at admission | Total, n | EBV viremia, n (%) | |||||
Gr1, n (%) | Gr2 | Gr3 | Gr4 | Gr5 | Gr6 | |||
15–29 | 18 (100.0) | – | – | – | – | 18 | 2 (11.1) | |
30–39 | 35 (97.2) | 1 (2.8) | – | – | – | – | 36 | 0 (0.0) |
40–49 | 25 (89.3) | 2 (7.1) | 1 (3.6) | – | – | – | 28 | 2 (7.1) |
50–59 | 27 (75.0) | 7 (19.4) | 1 (2.8) | – | 1 (2.8) | – | 36 | 7 (19.4) |
60–69 | 34 (75.6) | 8 (17.8) | 3 (6.7) | – | – | – | 45 | 5 (11.1) |
70–79 | 28 (60.9) | 13 (28.3) | 3 (6.5) | 2 (4.3) | – | – | 46 | 15 (32.6) |
≥80 | 45 (75.0) | 13 (21.7) | 2 (3.3) | – | – | – | 60 | 14 (23.3) |
Total | 212 (78.8) | 44 (16.4) | 10 (3.7) | 2 (0.7) | 1 (0.4) | – | 269 | 45 (16.7) |
EBV = Epstein–Barr virus; Gr1, Grade 1 = symptomatic but no oxygen therapy required, Gr2, Grade 2 = low-flow nasal cannula, Gr3, Grade 3 = high-flow nasal cannula/non-invasive ventilation, Gr4, Grade 4 = mechanical ventilation, Gr5, Grade 5 = extracorporeal membrane oxygenation, Gr6, Grade 6 = death.