Age (years), median (IQR) | 58.0 (46.0–66.8) | 55.0 (43.3–66.0) | 60.0 (49.0–70.0) | 0.26 |
Male/female, n | 180/120 | 92/80 | 88/40 | 0.008 |
Comorbidities, n (%) |
Obesity | 66 (22.0) | 22 (12.8) | 44 (25.6) | <0.001 |
Hypertension | 116 (38.7) | 46 (26.7) | 70 (40.7) | <0.001 |
Diabetes mellitus | 132 (44.0) | 78 (45.4) | 54 (31.4) | 0.59 |
Ischemic heart disease | 46 (15.3) | 24 (14.0) | 22 (12.8) | 0.44 |
Liver cirrhosis | 32 (10.7) | 14 (8.1) | 18 (10.5) | 0.1 |
Venous thromboembolism | 65 (21.7) | 17 (9.9) | 48 (37.5) | <0.001 |
Complete blood count, median (IQR) |
Hb (g/L) | 130.0 (120.0–140.0) | 130.0 (120.0–140.0) | 130.0 (115.0–140.0) | 0.36 |
WCC (×109/mL) | 6.6 (4.3–10.0) | 6.6 (5.0–10.0) | 6.7 (3.9–12.0) | 0.9 |
Platelets (×109/mL) | 209.0 (169.0–250.0) | 220.0 (183.3–259.0) | 189.0 (131.5–223.0) | <0.001 |
Inflammatory markers, median (IQR) |
CRP (mg/dL) | 88.5 (47.3–130.0) | 52.0 (35.0–82.3) | 127.5 (97.3–173.0) | <0.001 |
Procalcitonin (µg/L) | 0.2 (0.1–0.2) | 0.1 (0.08–0.2) | 0.2 (0.1–0.5) | 0.002 |
LDH (U/L) | 603.5 (410.3–913.0) | 448.5 (367.3–598.0) | 911.5 (713.5–1289.8) | <0.001 |
Ferritin (µg/L) | 679.0 (419.5–1322.8) | 518.5 (348.5–667.0) | 1318.5 (858.3–1925.0) | <0.001 |
Coagulation profile, median (IQR) |
PT (s) | 14.3 (13.3–16.0) | 13.3 (13.0–14.5) | 16.0 (14.8–17.3) | <0.001 |
APTT (s) | 35.0 (31.0–44.0) | 32.0 (30.0–36.0) | 43.0 (36.0–50.0) | <0.001 |
D-dimer (ng/mL) | 1000.0 (740.0–2083.3) | 790.0 (689.0–942.8) | 2178.5 (1370.0–3288.5) | <0.001 |
Fibrinogen (g/dL) | 3.8 (3.2–5.1) | 3.2 (3.0–3.7) | 5.2 (4.5–5.5) | <0.001 |
Complement protein, median (IQR) |
C3 (mg/dL) | 119.0 (98.0–129.0) | 128.5 (116.3–141.0) | 98.0 (70.0–112.8) | <0.001 |
C3a (ng/mL) | 272.5 (195.3–363.8) | 203.0 (170.3–244.0) | 385.0 (293.0–424.8) | <0.001 |
C4 (mg/dL) | 33.0 (29.0–41.0) | 36.0 (30.0–42.0) | 31.0 (26.0–35.0) | <0.001 |
sC5b-9 (ng/mL) | 318.0 (286.3–389.0) | 294.0 (242.0–318.8) | 393.0 (342.0–436.5) | <0.001 |
Other laboratory data, median (IQR) |
Creatinine (mg/dL) | 1.0 (0.9–1.3) | 0.9 (0.8–1.1) | 1.2 (1.1–1.6) | <0.001 |
Urea (mg/dL) | 51.0 (39.0–80.0) | 43.0 (35.0–55.8) | 72.5 (53.0–94.8) | <0.001 |
Albumin (g/dL) | 3.5 (3.1–3.9) | 3.7 (3.5–4.0) | 3.2 (2.9–3.5) | <0.001 |
AST (U/L) | 47.0 (32.0–75.0) | 41.0 (27.0–55.0) | 68.0 (42.0–92.8) | <0.001 |
ALT (U/L) | 56.0 (36.0–84.0) | 46.0 (33.0–61.0) | 76.0 (51.0–106.0) | <0.001 |
O2 saturation (%), median (IQR) | 80.0 (70.0–85.0) | 84.0 (80.0–86.0) | 70.0 (60.0–80.0) | <0.001 |
O2 support, n (%) |
Mask reservoir | 142 (47.3) | 140 (81.4) | 2 (1.6) | <0.001 |
Face mask | 28 (9.3) | 28 (16.3) | – | |
Invasive | 130 (43.3) | 4 (2.3) | 126 (98.4) | |
Hospital stay (days), median (IQR) | 10.0 (7.0–13.0) | 9.0 (7.0–12.0) | 10.5 (8.0–14.0) | 0.047 |
ICU admission, n (%) | 130 (43.3) | 4 (2.3) | 126 (98.4) | <0.001 |