Table 1.
Baseline characteristics of the study population at emergency department admission.
| Number = 104 | |
|---|---|
| Age, years | 58 (52–64) |
| Male gender, % (n) | 73 (77) |
| Weight, kg | 83 (72–97) |
| BMI, kg/m2 | 28 (25–33) |
| Time from symptoms onset to hospital admission, days | 6 (4–8) |
| Time from hospital admission to respiratory support start, days | 1 (0–3) |
| Arterial pH | 7.45 (7.43–7.48) |
| PaCO2, mmHg | 31.8 (28.4–34.2) |
| PaO2, mmHg | 63.0 (55.7–74.0) |
| PaO2/FiO2 | 264 (204–301) |
| White blood cell count, cells/μL | 6600 (5200–8780) |
| Haemoglobin, g/dL | 14.4 (13.1–15.4) |
| Platelets, cells/μL | 198 (152–241) |
| INR | 1.14 (1.08–1.22) |
| GOT, U/L | 55 (41–76) |
| GPT, U/L | 46 (31–71) |
| Total bilirubin, mg/dL | 0.6 (0.4–1.0) |
| Creatinine, mg/dL | 0.8 (0.7–1.0) |
| LDH, mg/dL | 382 (292–472) |
| D-dimer, ng/mL | 300 (226–394) |
| SOFA score | 2 (2–3) |
Data are presented as median [IQR]. BMI: body mass index; PaCO2: arterial carbon dioxide partial pressure; PaO2: arterial oxygen partial pressure; INR: international normalized ratio; GOT: glutamic oxaloacetic transaminase; GTP: glutamic pyruvic transaminase; LDH: L-lactate dehydrogenase; SOFA: sequential organ failure assessment.