| Age, years |
| Median (interquartile range) |
50(35–63) |
| Sex |
800(59.83%) |
| Male (N, %) |
| Female (N, %) |
537(40.16%) |
| Days from one set of symptoms (days) |
4(2–7) |
| Admission signs and symptoms (N, %) |
| Fever |
217(16.2%) |
| Cough |
211(15.78%) |
| Fatigue |
36(2.69%) |
| Headache and dizziness |
25(1.86%) |
| Breathing problems |
15(1.12%) |
| Rhinorrhoea |
19(1.42%) |
| Sore throat |
18(1.34%) |
| Diarrhea |
10(0.74%) |
| Lack of appetence |
11(0.82%) |
| Asymptomatic |
9(0.67%) |
| Comorbidity (N, %) |
100(7.47%) |
| Cardiovascular and cerebrovascular diseases |
66(4.93%) |
| Endocrine system diseases |
35(2.61%) |
| Digestive system diseases |
11(0.82%) |
| Respiratory system diseases |
8(0.59%) |
| Chronic hepatitis B virus infection |
4(0.29%) |
| Malignant tumor |
3(0.22%) |
| Laboratory findings |
| White blood cells (× 10 9 per L) |
4.71(3.80–5.86) |
| Lymphocytes (× 10 9 per L) |
1.12(0.79–1.49) |
| C-reactive protein (mg/L) |
12(4.4–29.4) |
| Erythrocyte sedimentation rate (mm/h) |
54(33–90) |
| Alanine aminotransferase (U/L) |
23(15–33) |
| Aspartate aminotransferase (U/L) |
25(20–33) |
| Albumin (g/L) |
40.8(37.9–43.0) |
| Lactate dehydrogenase (U/L) |
229(195–291) |
| Lactate (mmol/L) |
1.4(1.1–2.1) |
| Estimated glomerular filtration rate (mL/min/1.73 m2) |
109.2(95.3–127.2) |
| CD4 T cells counts (cells/uL) |
431(299–637) |
| CD4/CD8 ratio |
1.68(1.241.33) |
