Table 1.
Comparison of baseline information between COVID-19 patients and community-acquired pneumonia (CAP) patients.
| Baseline characteristic | CAP patients (n=60) | COVID-19 patients (n=61) | P value | |
| Sex (male), n (%) | 33 (55) | 40 (66) | .27 | |
| Age (years), mean (SD) | 55.72 (18.10) | 50.23 (16.95) | .09 | |
| Hospitalization days, median (IQR) | 9 (7-12) | 21 (13-26) | <.001 | |
| Medical history, n (%) |
|
|
|
|
|
|
Hypertension | 14 (23) | 16 (26) | .83 |
|
|
Diabetes | 2 (3) | 6 (10) | .27 |
|
|
Liver disease | 2 (3) | 3 (5) | .99 |
|
|
Heart disease | 3 (5) | 5 (8) | .72 |
|
|
Exposure history | Unclear | 54 (89) | N/Aa |
|
|
Familial aggregation infectionb | Unclear | 22 (36) | N/A |
| Initial symptoms, n (%) |
|
|
|
|
|
|
Fever | 36 (60) | 43 (70 ) | .26 |
|
|
Cough | 44 (73) | 39 (64) | .33 |
|
|
Myalgia | 4 (7) | 7 (11) | .53 |
|
|
Poor appetite | 5 (8) | 11 (18) | .18 |
|
|
Fatigue | 33 (55) | 24 (39) | .10 |
| Days from onset of symptoms to admission, median (IQR) | Unrecorded | 3 (1-7) | N/A | |
| Imaging features, n (%) |
|
|
|
|
|
|
Patchy high-density opacity | 11 (18) | 25 (41) | .009 |
|
|
Ground-glass opacity | 4 (7) | 9 (15) | .24 |
|
|
Fibrotic lesion | 6 (10) | 3 (5) | .32 |
|
|
Patchy high-density opacity and ground-glass opacity | 0 (0) | 7 (11) | .01 |
| Death cases, n (%) | 0 (0) | 3 (5) | N/A | |
aN/A: not applicable; groups could not be compared because there were no values for the CAP group.
bThere were more than 2 cases of infection after aggregation with family members or relatives.