Table 1.
Mild (n = 59) | Severe (n = 98) | Total (n = 157) | p value | |
---|---|---|---|---|
Age—years | 0.4451 | |||
Mean (SD) | 66.4 (18.6) | 68.5 (14.7) | 67.7 (16.2) | |
Range | 20–92 | 35–96 | 20–96 | |
Female—n (%) | 26 (44.1%) | 42 (42.9%) | 68 (43.3%) | 0.8822 |
Duration of symptoms—days | < 0.0011 | |||
Mean (SD) | 11.1 (6.0) | 16.8 (10.182) | 14.7 (9.3) | |
Range | 1–32 | 2–47 | 1–47 | |
Missing values | 1 | 1 | 2 | |
Medical history—n (%) | ||||
Thrombosis | 9 (15.3%) | 8 (8.2%) | 17 (10.8%) | 0.1662 |
Heart failure | 2 (3.4%) | 6 (6.1%) | 8 (5.1%) | 0.4512 |
Stroke | 5 (8.5%) | 7 (7.1%) | 12 (7.6%) | 0.7612 |
Coronary heart disease | 7 (11.9%) | 6 (6.1%) | 13 (8.3%) | 0.2062 |
Diabetes | 14 (23.7%) | 19 (19.4%) | 33 (21.0%) | 0.5182 |
High blood pressure | 31 (52.5%) | 45 (45.9%) | 76 (48.4%) | 0.4212 |
Chronic renal failure | 6 (10.2%) | 6 (6.1%) | 12 (7.6%) | 0.3552 |
Chronic respiratory disease | 7 (11.9%) | 8 (8.2%) | 15 (9.6%) | 0.4452 |
Cancer | 9 (15.3%) | 17 (17.3%) | 26 (16.6%) | 0.7332 |
Anticoag. treatment—n (%) | 31 (53.4%) | 77 (78.6%) | 108 (69.2%) | 0.0012 |
Missing values | 1 | 0 | 1 | |
Invasive ventilation—n (%) | 0 (0.0%) | 35 (35.7%) | 35 (22.3%) | < 0.0012 |
Thrombotic events—n (%) | 1 (2.6%) | 7 (8.3%) | 8 (6.6%) | 0.2392 |
Missing values | 21 | 14 | 35 | |
PMN (G/L) | < 0.0011 | |||
Mean (SD) | 3.943 (1.7) | 6.8 (4.0) | 5.7 (3.6) | |
Range | 1.2–11.0 | 1.0–20.0 | 1.0–20.0 | |
Missing values | 1 | 0 | 1 | |
Lymphocytes (G/L) | 0.8611 | |||
Mean (SD) | 1.3 (0.5) | 1.3 (0.8) | 1.3 (0.7) | |
Range | 0.4–3.0 | 0.1–3.9 | 0.1–3.9 | |
Missing values | 1 | 0 | 1 | |
NLR | < 0.0011 | |||
Mean (SD) | 3.6 (2.3) | 8.0 (8.8) | 6.4 (7.4) | |
Range | 0.7–11.2 | 0.9–60.000 | 0.7–60.0 | |
Missing values | 1 | 0 | 1 | |
Eosinopenia—n (%) | 25 (43.1%) | 67 (68.4%) | 92 (59.0%) | 0.0022 |
Missing values | 1 | 0 | 1 | |
Death—n (%) | 1 (2.6%) | 18 (21.7%) | 19 (15.7%) | 0.0072 |
Missing values | 21 | 15 | 36 |
PMN polymorphonuclear neutrophils, NLR neutrophil–lymphocyte ratio, 1Student’s t test, 2Pearson’s Chi-squared test.