Table 1. General characteristics of the study subjects.
| Variables | Total subjects | Deceased | Survivors | P value | |
|---|---|---|---|---|---|
| Number of cases | 352 | 24 | 324 | ||
| Age, yr | 57 (38–72) | 84 (78–88) | 56 (37–69) | < 0.001 | |
| 10–29 | 61 (17.3) | 0 | 60 (18.5) | ||
| 30–49 | 68 (19.3) | 0 | 67 (20.7) | ||
| 50–69 | 126 (35.8) | 3 (12.5) | 122 (37.7) | ||
| 70–89 | 86 (24.4) | 19 (79.2) | 66 (20.4) | ||
| ≥ 90 | 11 (3.1) | 2 (8.3) | 9 (2.8) | ||
| Sex | 0.154 | ||||
| Male | 144 (40.9) | 12 (50.0) | 128 (39.5) | ||
| Female | 208 (59.1) | 12 (50.0) | 196 (60.5) | ||
| Resident in care facility | 101 (28.7) | 18 (75.0) | 82 (25.3) | < 0.001 | |
| Foreign national | 9 (2.6) | 0 (0.0) | 7 (2.2) | 0.583 | |
| Days of hospitalization | 15 (10–25) | 9 (4–13) | 16 (10–25) | < 0.001 | |
| Outcome | |||||
| Discharged | 239 (67.9) | NA | 239 (73.8) | ||
| Discharged to therapeutic living center | 53 (15.1) | NA | 53 (16.4) | ||
| Transferred to a higher-level hospital | 37 (10.5) | 5 (20.9) | 32 (10.0) | ||
| Death | 19 (5.4) | 19 (79.1) | NA | ||
| Hospitalization | 4 (1.1) | NA | NA | ||
| Rehospitalization | 24 (6.8) | 0 | 24 (7.4) | NA | |
| Comorbidity | |||||
| Hypertension | 85 (24.1) | 14 (58.3) | 70 (21.6) | < 0.001 | |
| Diabetes mellitus | 57 (16.2) | 11 (45.8) | 46 (14.2) | < 0.001 | |
| Dementia | 35 (9.9) | 7 (29.2) | 27 (8.3) | 0.020 | |
| Cardiovascular disease | 20 (5.7) | 4 (16.6) | 16 (5.0) | 0.034 | |
| Malignancy | 15 (4.3) | 4 (16.7) | 11 (3.4) | 0.020 | |
| Symptoms on admission | |||||
| Asymptomatic | 81 (23.0) | NA | 76 (23.5) | ||
| Cough | 112 (31.8) | 5 (20.8) | 105 (32.4) | 0.581 | |
| Sputum | 60 (17.0) | 1 (4.2) | 59 (18.2) | 0.076 | |
| Rhinorrhea | 15 (4.3) | 1 (4.2) | 14 (4.3) | 0.963 | |
| Sore throat | 55 (15.6) | 1 (4.2) | 54 (16.7) | 0.076 | |
| Dyspnea | 32 (9.1) | 5 (20.8) | 27 (8.3) | 0.019 | |
| Gustatory dysfunction | 4 (1.1) | 0 | 4 (1.2) | 0.582 | |
| Olfactory dysfunction | 11 (3.1) | 0 | 11 (3.4) | 0.356 | |
| Febrile sensation | 100 (28.4) | 13 (54.2) | 87 (26.9) | 0.001 | |
| Headache | 43 (12.2) | 1 (4.2) | 42 (13.0) | 0.207 | |
| Myalgia | 46 (13.1) | 1 (4.2) | 45 (13.9) | 0.235 | |
| Fatigue | 17 (4.8) | 2 (8.3) | 15 (4.6) | 0.271 | |
| Chest pain/discomfort | 25 (7.0) | 0 | 25 (7.1) | 0.163 | |
| Nausea/vomiting | 4 (1.1) | 0 | 4 (1.4) | 0.698 | |
| Diarrhea | 13 (3.7) | 3 (12.5) | 10 (3.1) | 0.012 | |
| Physical examination | |||||
| Body temperature, ≥ 37.5°C | 27 (7.7) | 8 (33.3) | 18 (5.6) | < 0.001 | |
| Systolic blood pressure, ≤ 90 mmHg | 14 (4.0) | 5 (20.8) | 9 (2.8) | < 0.001 | |
| Tachypnea, > 20 breaths/min | 272 (77.3) | 22 (91.9) | 246 (75.9) | 0.062 | |
| O2 saturation, ≤ 90 mmHg | 13 (3.7) | 10 (41.7) | 3 (0.9) | < 0.001 | |
Results are presented as median (interquartile ranges) or numbers (%).
NA = non-applicable.