TABLE 1.
Summary of demographic information in recruited patients
| Total | COVID‐19 | CAP | p ‐value | |
|---|---|---|---|---|
| Patients (CT scans) | 515 (768) | 204 (298) | 311 (470) | |
| Gender | ||||
| Male | 270 (52.43%) | 97 (47.55%) | 173 (55.63%) | 0.073 |
| Female | 245 (47.57%) | 107 (52.45%) | 138 (44.37%) | |
| Age | 38.00 (23.00) | 44.50 (22.00) | 38.50 (26.00) | 0.004 |
| Smoking status | ||||
| Smoking or ever smoker | 52 (10.48%) | 12 (5.88%) | 40 (13.70%) | <0.001 |
| None | 444 (89.52%) | 192 (94.12%) | 252 (86.30%) | |
| Fever | ||||
| Yes | 304 (79.0%) | 133 (79.6%) | 171 (78.4%) | 0.775 |
| None | 81 (21.0%) | 34 (20.4%) | 47 (21.3%) | |
| Laboratory test | ||||
| Leucocytes (×109/L; 3.5–9.5) | 6.10 (3.80) § | 4.60 (1.90) | 7.70 (3.40) | <0.001 |
| Neutrophils (×109/L; 1.8–6.3) | 3.26 (3.44) § | 3.00 (1.90) | 2.02 (3.14) | 0.029 |
| Lymphocytes (×109/L; 1.1–3.2) | 1.76 (3.31) § | 1.22 (0.69) | 7.90 (16.60) | <0.001 |
| Lymphocytes percentage (%; 20–50) | 14.80 (21.49) § | 27.00 (16.83) | 8.52 (11.06) | <0.001 |
| Eosinophils (×109/L; 0.02–0.52) | 0.03 (0.07) † | 0.01 (0.06) | 0.06 (0.10) | <0.001 |
| ALT (U/L; 7–40) | 21.00 (19.00) † | 21.00 (17.00) | 20.00 (18.00) | 0.189 |
| AST (U/L; 13–35) | 22.00 (9.75) † | 20.00 (10.00) | 22.00 (11.00) | 0.029 |
| LDH (U/L; 120–250) | 195.00 (63.50) † | 189.50 (72.00) | 200.50 (57.00) | 0.241 |
| CK‐MB (IU/L; 0–24) | 11.00 (7.00) † | 9.00 (4.00) | 14.00 (8.80) | <0.001 |
| CRP (mg/L; 0.2–4.0) | 11.60 (25.15) § | 8.75 (11.95) | 21.90 (43.85) | <0.001 |
Note: Data are showed as n (%) or median (interquartile range, IQR).
Abbreviations: ALT, alanine transaminase; AST, aspartate aminotransferase; CAP, community‐acquired pneumonia; COVID‐19, coronavirus disease 2019; CK‐MB, creatine kinase isoenzyme‐MB; CRP, C‐reactive protein; CT, computed tomography; LDH, lactate dehydrogenase.
†
Patients with available data were less than 360.
§
Patients with available data were more than 360.