Table 1.
Characteristics of COVID-19 patients.
| Characteristics | All patients (n = 70) | Local resident group (n = 16) | Traveler group (n = 54) | P |
| Age, year, mean ± SD | 51.23 ± 13.54 | 42.94 ± 8.19 | 53.69 ± 13.89 | .049 |
| Male, n (%) | 41 (58.6) | 9 (56.3) | 32 (59.3) | .830 |
| Smoking, n (%) | 5 (7.1) | 2 (12.5) | 3 (5.6) | .343 |
| Drinking, n (%) | 8 (11.4) | 2 (12.5) | 6 (11.1) | .878 |
| Comorbidity, n (%) | ||||
| Hypertension | 12 (17.1) | 2 (12.5) | 10 (18.5) | .575 |
| Diabetes | 3 (4.3) | 0 | 3 (5.6) | – |
| CHD | 5 (7.1) | 1 (6.3) | 4 (7.4) | .875 |
| ESRD | 1 (1.4) | 1 (6.3) | 0 | – |
| Charlson Comorbidity Index, mean ± SD | 1.77 ± 1.84 | 1.44 ± 1.97 | 1.87 ± 1.81 | .854 |
| Symptoms, n (%) | ||||
| Fever | 55 (78.6) | 10 (62.5) | 45 (83.3) | .074 |
| Cough | 47 (67.1) | 11 (68.8) | 36 (66.7) | .876 |
| Dyspnea | 9 (12.9) | 2 (12.5) | 7 (13.0) | .961 |
| Fatigue | 16 (22.9) | 5 (31.3) | 11 (20.4) | .363 |
| Muscle aches | 6 (8.6) | 2 (12.5) | 4 (7.4) | .523 |
| Pharyngeal discomfort | 4 (5.7) | 2 (12.5) | 2 (3.7) | .183 |
| Digestive tract symptoms | 5 (7.1) | 2 (12.5) | 3 (5.6) | .343 |
| No symptoms | 5 (7.1) | 3 (18.8) | 2 (3.7) | .040 |
| Onset of symptom to admission, day, mean ± SD | 5.41 ± 3.91 | 5.06 ± 4.59 | 5.52 ± 3.73 | .197 |
| Clinical severity, n (%) | .163 | |||
| Mild/regular | 60 | 12 (75.0) | 48 (88.9) | |
| Severe/ critical | 10 | 4 (25.0) | 6 (11.1) | |
| White blood cell count, × 109/L, mean ± SD | 5.20 ± 2.37 | 5.22 ± 1.92 | 5.19 ± 2.50 | .479 |
| Lymphocyte count, × 109/L, mean ± SD | 1.17 ± 0.59 | 1.29 ± 0.53 | 1.13 ± 0.60 | .893 |
| Neutrophil count, × 109/L, mean ± SD | 3.59 ± 2.36 | 3.44 ± 1.94 | 3.64 ± 2.48 | .489 |
CHD = coronary heart disease, ESRD = end-stage renal disease, SD = standard deviation.