Table 2 Prognostic factors by mutation type of SARS-CoV-2
Prognostic factor | Nonvariant n = 118 | Alpha n = 154 | Delta n = 42 | Omicron n = 63 |
|---|---|---|---|---|
Peak LDH, U/L, (range) | 536 (415–751) | 529 (435–673) | 538 (458–761) | 544 (408–793) |
Peak KL-6, U/ml, (range) | 809 (514–1410) | 795 (485–1359) | 505 (386–823) | 730 (502–1299) |
Peak β-D Glucan ≥ 20 pg/ml, n (%) | 24 (20.3) | 34 (22.1) | 5 (11.9) | 18 (28.6) |
Positive blood culture, n (%) | 20 (16.9)a | 21 (13.6)a | 2 (4.8)a | 34 (54.0) |
Ventilator-free days, days, (range) | 17 (0–21) | 17 (0–21) | 16 (4–19) | 0 (0–19) |
Barotrauma, n (%) | 13 (11.0) | 18 (11.7) | 0 | 4 (6.3) |
Tracheostomy, n (%) | 23 (19.5) | 41 (26.6) | 10 (23.8) | 23 (36.5) |
In-hospital mortality, n (%) | 28 (23.7) | 19 (12.3)a | 3 (7.1) | 19 (30.5) |
Causes of death | ||||
Covid-19 pneumonia, n | 26 | 18 | 2 | 14 |
Others, n | Bacterial pneumonia, 1 Lung cancer, 1 | Heart failure, 1 | Bacterial sepsis, 1 | Bacterial sepsis, 2 Bacterial pneumonia, 1 Duodenal bleeding, 1 Intestinal necrosis, 1 |