Table 1.
Demographic and clinical characteristics of the study population.
| Parameter | Population (n = 96) |
|---|---|
| Age | |
| M ± SD | 69.65 ± 14.33 |
| median (IQR 25–75) | 66.00 (57.00–88.00) |
| Female Sex (%) | 28.9 |
| BMI | |
| M ± SD | 27.98 ± 5.00 |
| median (IQR) | 27.68 (23.89–31.25) |
| Smoking habit (%) | |
| Never smokers | 36.1 |
| Ex-smokers | 42.3 |
| Current smokers | 3.1 |
| CCI | |
| M ± SD | 4.25 ± 2.66 |
| median (IQR) | 4.00 (2.00–6.00) |
| Asthma (%) | 17.5 |
| COPD (%) | 17.5 |
| Hypertension (%) | 70.1 |
| Renal Failure (%) | 44.3 |
| Congestive heart failure (%) | 22.7 |
| Chronic ischemic heart failure (%) | 27.8 |
| Neurological comorbidities (%) | 17.6 |
| Number of peripheral lymphocyte cells | |
| M ± SD | 928.39 ± 637.35 |
| median (IQR) | 783.24 (629.18–1039.88) |
| LDH | |
| M ± SD | 332.20 ± 113.31 |
| median (IQR) | 342.00 (245.00–396.00) |
| CRP | |
| M ± SD | 116.74 ± 79.99 |
| median (IQR) | 106.00 (69.30–167.00) |
| D-dimer | |
| M ± SD | 2448.33 ± 3811.22 |
| median (IQR) | 947.00 (581.00–2280.00) |
| PaO2/FiO2 ratio at admission | |
| M ± SD | 209.58 ± 94.00 |
| median (IQR) | 198.00 (123.00–273.00) |
| Respiratory support at admission (%) | |
| Low flow oxygen | 9.3 |
| HNFC | 3.1 |
| CPAP | 38.1 |
| BPAP | 36.1 |
| IMV through tracheostomy | 7.2 |
| Treatment | |
| enoxaparin (%) | 81% |
| azithromycin (%) | 80% |
| lopinavir/ritonavir (%) | 38% |
| hydroxychloroquine (%) | 74% |
| tocilizumab (%) | 6% |
| corticosteroids (%) | 25% |
| Total Days of Hospitalization in RICU | |
| M ± SD | 10.68 ± 8.94 |
| median (IQR) | 10,00 (4,00–19.00) |
| Exitus (%) | 46.4 |
M, mean; SD, standard deviation; IQR, interquartile range; BMI, body mass index; CCI, Charlson comorbidity index; COPD, Chronic obstructive pulmonary disease; LDH, Lactate dehydrogenase; CRP, C-reactive protein; PaO2/FiO2 ratio, arterial oxygen partial pressure to fractional inspired oxygen; HFNC, high-flow nasal cannula; CPAP, continuous positive airway pressure; BPAP, bilevel positive airway pressure; IMV, invasive mechanical ventilation; RICU, Respiratory Intermediate Care Units.