Table 1 Baseline Characteristics on Hospital Admission
Variable | Â | Range |
|---|---|---|
Age, years | 57.5 (49.0, 69.8) | 30–85 |
Male | 19 (79) | Â |
BMI, kg/m2 | 24.7 (22.3, 28.2) | 19.4–35.4 |
 Underweight (BMI < 18.5) | 0 (0) |  |
 Normal (18.5 ≤ BMI < 25) | 13 (54) |  |
 Overweight (25 ≤ BMI < 35) | 7 (29) |  |
 Obese (35 ≤ BMI) | 4 (17) |  |
Comorbidities | ||
 Hypertension | 8 (33) |  |
 Diabetes | 7 (29) |  |
 Coronary artery disease | 2 (8) |  |
 Asthma | 6 (25) |  |
 Chronic obstructive pulmonary disease | 3 (13) |  |
 Hyperuricemia | 4 (17) |  |
 Malignancy | 2 (8) |  |
 Others* | 4 (17) |  |
Current or former smoker | 16 (67) | Â |
Habitual or occasional alcohol consumption | 11 (58) | Â |
Symptoms | ||
 Fever | 23 (96) |  |
 Dyspnea | 17 (71) |  |
 Myalgia | 4 (17) |  |
 Diarrhea | 6 (25) |  |
Vital signs | ||
 Body temperature†, degrees Celsius | 37.7 (37.1, 38.2) | 36.2–39.5 |
 Heart rate, beats per minute | 98 (94, 115) | 66–133 |
 Respiratory rate, per minute | 24 (20, 30) | 14–44 |
 SpO2‡, % | 92 (88, 94) | 66–97 |
Laboratory data | ||
 White blood cell count, /mm3 | 7250 (4975, 8950) | 3200–19,900 |
 Neutrophil to lymphocyte ratio | 10.1 (5.1, 20.1) | 2.5–62.0 |
 Platelet count, ×104 /μL | 17.4 (15.6, 22.3) | 120–389 |
 Lactic acid dehydrogenase, U/L | 383 (315, 496) | 214–1002 |
 Aspartate aminotransferase, U/L | 49.0 (36.5, 68.5) | 46.0–97.0 |
 Alanine aminotransferase, U/L | 34.0 (27.5, 50.5) | 16.0–85.0 |
 Creatinine kinase, U/L | 152 (56, 357) | 17–2663 |
 C-reactive protein, mg/dL | 10.5 (7.4, 16.0) | 0.9–33.8 |
 D-dimer, μg/mL | 1.2 (1.0, 9.9) | 0.5–25.7 |