Table 1.
Clinical characteristics of the patients.
| Group A/B/AB (N = 73) | Group O (N = 35) | p-Value | |
|---|---|---|---|
| Characteristics | |||
| Age [median (IQR)] | 71.5 (68) | 64.50 (66) | 0.226 |
| Male [n (%)] | 33 (47.1) | 14 (41.2) | 0.566 |
| Comorbidities [n (%)] | |||
| Smoking | 5 (6.8) | 4 (11.4) | 0.467 |
| Coronary disease | 7 (9.5) | 3 (8.6) | 0.864 |
| Atrial fibrillation | 8 (11.0) | 4 (11.4) | 0.942 |
| Diabetes | 14 (18.2) | 5 (14.3) | 0.646 |
| Neurological disease | 1 (1.4) | 1 (2.9) | 0.545 |
| Stroke | 2 (2.8) | 1 (2.9) | 0.545 |
| Hypertension | 37 (50.7) | 13 (37.1) | 0.187 |
| Liver disease | 2 (2.7) | 0 (0.0) | 0.323 |
| Obesity | 7 (9.6) | 3 (8.6) | 0.864 |
| COPD | 12 (16.4) | 4 (11.4) | 0.549 |
| Kidney disease | 3 (4.1) | 0 (0.0) | 0.549 |
| Laboratory [median (IQR)] | |||
| Glycemia (mg/dl) | 145 (105) | 148 (87.5) | 0.815 |
| Creatinine (mg/dl) | 0.9 (0.6) | 0.8 (0.3) | 0.105 |
| Total bilirubin (mg/dl) | 1.0 (1.1) | 0.7 (0.3) | 0.011 |
| Leukocytes (×109/L) | 7.3 (4.5) | 7.1 (4.9) | 0.841 |
| Lymphocytes (×109/L) | 0.7 (0.6) | 0.8 (1.0) | 0.057 |
| Neutrophil (×109/L) | 5.7 (4.4) | 5.7 (5.1) | 0.939 |
| Procalcitonin (ng/ml) | 0.1 (0.3) | 0.1 (0.2) | 0.415 |
| Platelet (×109/L) | 273 (148) | 301.5 (167) | 0.343 |
| CRP (mg/L) | 42.0 (61) | 34.5 (30) | 0.348 |
| Ferritin (μg/L) | 1000 (1247) | 920.0 (927) | 0.220 |
| D-Dimer (mg/L) | 872.5 (1219) | 770 (1003) | 0.690 |
| Lactate (mmol/L) | 2.2 (1.0) | 2.9 (0.9) | 0.672 |
| Hospital meters | |||
| Invasive mechanical ventilation [n (%)] | 26 (35.6) | 6 (17.1) | 0.019 |
| Length of hospital stay [days, median (IQR)] | 26.5 (39) | 33 (25) | 0.053 |
| Length of ICU stay [days, median (IQR)] | 19 (16) | 19 (21) | 0.947 |
| Mortality [n (%)] | |||
| 28-day mortality | 17 (23.3) | 3 (8.6) | 0.065 |
Continuous variables are represented as [median (interquartile range, IQR)]; categorical variables are represented as [n, (%)]. COPD, chronic obstructive pulmonary disease; CRP, C-reactive protein; ICU, intensive care unit.
A -value p <= 0.05 was considered to indicate significant differences (bold values).