Table 5.
Characteristics and outcomes of patient subgroups
| Variable | Group A | Group B | Group C |
|---|---|---|---|
| Definition | Consent to IMV, | Consent to IMV, | Decline IMV, |
| IMV not used | IMV used | IMV not used | |
| n | 19 | 43 | 13 |
| Age | 56 [46–67] | 60 [54–67] | 81 [70–83] |
| No medical history | 6 (32) | 5 (12) | 0 |
| Hypertension | 8 (42) | 30 (70) | 12 (92) |
| Diabetes mellitus | 6 (32) | 15 (35) | 6 (50) |
| Lymphopenia (<1.0·109·L−1) | 14 (78) | 32 (74) | 12 (92) |
| Ferritin (g·L−1) | 787 [371–2364] | 1406 [420–1681] | 1562 [482–2929] |
| CRP (mg·L−1) | 177 [151–193] | 123 [62–236] | 114 [79–165] |
| D-dimers (ng·mL−1) | 1125 [873–2151] | 1088 [599–2329] | 2273 [1632–3060] |
| Day 1 SOFA score | 2 [0–4] | 6 [5–7] | 8 [4–8] |
| VTE | 2 (11) | 12 (28) | 0 |
| VFDs | 28 [28–28] | 11 [0–22] | 6 [2–28] |
| ICU LOS (days) | 3.7 [3.0–7.8] | 12.5 [9.8–28.2] | 3.9 [2.0–10.1] |
| ICU mortality | 0 (0) | 8 (19) | 9 (69) |
| Hospital mortality | 1 (5) | 9 (21) | 9 (69) |
Data presented as n (%) or median [interquartile range]
CRP = C-reactive protein; ICU = intensive care unit; IMV = invasive mechanical ventilation; LOS = length of stay; SOFA = sequential organ failure assessment; VFDs = ventilator-free days; VTE = venous thromboembolism