Table 1.
Baseline characteristics of patients.
| Characteristics at baseline | N = 132 |
|---|---|
| Age (year), mean ± SD | 59.0 ± 16.3 |
| Sex (M), no. (%) | 86 (65) |
| Obesity, no. (%) | 14 (10.6) |
| Diabetes, no. (%) Chronic kidney failure, no. (%) Chronic respiratory disease, no. (%) Chronic cardiac disease, no. (%) Immunocompromised, no. (%) |
25 (18.9) 4 (3) 22 (16.7) 57 (43.2) 11 (8.3) |
| CCI*, no. (%) | |
| 0 | 24 (18) |
| 1–2 | 47 (36) |
| 3–4 | 31 (23) |
| ≥5 | 30 (23) |
| Pulmonary CT scan, no. (%) | 103 (78) |
| Normal | 7 (7) |
| Limited injury (<10%) | 11 (11) |
| Mild injury (10%–25%) | 30 (29) |
| Moderate injury (25%–50%) | 41 (40) |
| Severe injury (>50%) | 14 (14) |
| Lymphocyte count <1,000/mm3, no. (%) | 60 (45.5) |
| PMN count >8,000/mm3 | 12 (9.1) |
| CRP mg/L, mean ± SD Ferritin µg/L, mean ± SD |
84.59 ± 70.31 1,070 ± 757 |
| Oxygen (yes), no. (%) | 94 (72) |
| ≤2 L/min | 47 (36) |
| 2–5 L/min | 37 (28) |
| ≥6 L/min | 10 (8) |
| Treatment strategies, no. (%) | |
| No effective drugs | 114 (86.4) |
| Corticosteroids in ICU | 18 (13.6) |
Obesity defined by a body mass index ≥30 kg/m2. N, number; %, percent; SD, standard deviation; M, men; *CCI, Charlson Comorbidity Index; CRP, C-reactive protein; PMN, polymorphonuclear leukocyte; CT, computed tomography.