Table 1.
Clinical characteristic of the study population
| All patients | Common | Severe | |
|---|---|---|---|
| (n = 93) | (n = 76) | (n = 17) | |
| Age | |||
| Median (IQR)-y | 57.0 (39.0–67.0) | 53.0 (35.0–63.0) | 68.0 (56.0–72.0) |
| < 50 no. (%) | 35 (37.6) | 35 (46%) | 0 (0) |
| ≥ 50 no. (%) | 58 (62.4) | 41 (54%) | 17 (100) |
| Male sex no. (%) | 48 (51.6) | 40 (52.6) | 8 (47.0) |
| Symptoms at admission no. (%) | |||
| Fever | 74 (79.6) | 61 (80.2) | 13 (76.4) |
| Cough | 58 (62.4) | 43 (56.5) | 15 (88.2) |
| Sputum | 32 (34.4) | 24 (31.6) | 8 (47.0) |
| Dyspnea | 39 (41.9) | 28 (36.8) | 11 (64.7) |
| Co-existing disease no. (%) | |||
| COPD | 2 (2.1) | 1 (1.3) | 1 (5.9) |
| Diabetes | 11 (11.8) | 4 (5.2) | 7 (41.2) |
| Hypertension | 19 (20.4) | 13 (17.1) | 6 (35.3) |
| Coronary heart disease | 6 (6.4) | 5 (6.5) | 1 (5.9) |
| Cerebrovascular disease | 1 (1.0) | 0 (0.0) | 1 (5.9) |
| Time between disease onset and the first CT scan (median, IQR) (days) | 4.0 (2.0–7.5) | 3.0 (1.0–6.0) | 7.0 (6.0–9.0) |
| Mean number of CT scans | 3.98 | 4.02 | 3.82 |
| Time between the two CT scans (median, IQR) (days) | 6.0 (5.0–8.0) | 6.0 (5.0–8.0) | 6.0 (5.0–9.0) |
| Clinical outcome no. (%) | |||
| Discharge | 89 (95.7) | 74 (97.4) | 15 (88.2) |
| Death | 4 (4.3) | 2 (2.6) | 2 (11.8) |
IQR interquartile range, COPD chronic obstructive pulmonary disease