Table 1.
Baseline characteristics of patients with COVID-19 pneumonia.
| Characteristic | Non-critical n = 32 |
Critical n = 16 |
p value |
|---|---|---|---|
| Men, n (%) | 18 (56.3) | 8 (50.0) | 0.682 |
| Age (year) | 62.0 ± 14.3 | 64.8 ± 11.6 | 0.513 |
| Comorbidities | |||
| Coronary heart disease, n (%) | 9 (28.1) | 4 (25.0) | 0.818 |
| Hypertension, n (%) | 13 (40.6) | 5(31.3) | 0.527 |
| Diabetes mellitus, n (%) | 7 (21.9) | 4 (25.0) | 0.808 |
| Chronic renal failure, n (%) | 6 (18.8) | 2 (12.5) | 0.584 |
| Symptoms | |||
| Fever, n (%) | 12 (37.5) | 8 (50.0) | 0.408 |
| Cough, n (%) | 25 (78.1) | 16 (100) | 0.043 |
| Purulent expectoration, n (%) | 21 (65.6) | 16(100) | 0.008 |
| Dyspnea, n (%) | 6 (18.8) | 11 (68.8) | 0.001 |
| Thoracic pain, n (%) | 4 (12.5) | 8 (50.0) | 0.005 |
| Laboratory findings | |||
| SARSCoV2 nucleic acid positive, n (%) | 30 (93.8) | 12 (75.0) | 0.064 |
| Leukocyte count, mean ± SD, (109 L−1) | 5.6 ± 2.0 | 7.9 ± 3.7 | 0.007 |
| Lymphocyte count, mean ± SD, (109 L−1) | 1.1 ± 0.5 | 0.9 ± 0.4 | 0.110 |
| CRP, median (IQR) (mg∙L−1) | 25.7 (2.4–81.7) | 81.4 (27.0–185.6) | 0.016 |
| IL-6, median (IQR) (pg∙mL−1) | 12.7 (2.6 – 39.8) | 46.2 (9.2–117.0) | 0.017 |
| LUS score (IQR) | 2 (0–5) | 12 (10–18) | < 0.001 |
| CT score (IQR) | 6 (2–8) | 12 (9–18) | < 0.001 |
| ROX index, mean ± SD | 10.5 ± 2.6 | 5.2 ± 2.4 | < 0.001 |
| CURB-65 (IQR) | 1(0–2) | 3 (2–3) | < 0.001 |
| Mechanical ventilation, n (%) | 0 | 6 (37.5) | |
| Hospital mortality, n (%) | 0 | 4 (25.0) | |
SD: standard deviation; IQR: interquartile range.