Table 2.
Clinical characteristics of all COVID-19 patients infected by the omicron variant of SARS-CoV-2.
| All patients (n=25,207) | Severe patients (n=39) | Non-severe patients (n=25,168) | P value | |
|---|---|---|---|---|
| Gender, No. (%) | 0.313 | |||
| Male | 16395 (65) | 22 (56.4) | 16374 (65.1) | |
| Female | 8812 (35) | 17 (43.6) | 8797 (34.9) | |
| Age, median (IQR) | 45 (33,54) | 59 (47,73) | 45 (33,54) | <0.001 |
| Age≥65, No. (%) | 1952 (7.7) | 17 (43.6) | 1935 (7.7) | <0.001 |
| Syndromes, No. (%) | ||||
| Fever | 2027 (8) | 8 (20.5) | 2019 (8) | 0.011 |
| Cough | 11210 (44.5) | 11 (28.2) | 11199 (44.5) | 0.054 |
| Expectoration | 9678 (38.4) | 10 (25.6) | 9668 (38.4) | 0.140 |
| Fatigue | 3192 (12.7) | 12 (30.8) | 3180 (12.6) | 0.002 |
| Nasal congestion | 5918 (23.5) | 4 (10.3) | 5914 (23.5) | 0.057 |
| Runny nose | 4903 (19.5) | 3 (7.7) | 4900 (19.5) | 0.068 |
| Sore throat | 5848 (23.2) | 6 (15.4) | 5842 (23.2) | 0.342 |
| Body aches | 2642 (10.5) | 5 (12.8) | 2637 (10.5) | 0.598 |
| Taste disorders | 63 (0.2) | 1 (2.6) | 62 (0.2) | 0.093 |
| Diarrhea | 264 (1) | 1 (2.8) | 263 (1) | 0.337 |
| Comorbidities | ||||
| Hypertension | 2628 (10.4) | 12 (30.8) | 2616 (10.4) | <0.001 |
| Diabetes | 894 (3.5) | 4 (10.3) | 890 (3.5) | 0.048 |
| COPD/Asthma | 119 (0.5) | 2 (5.1) | 117 (0.5) | 0.015 |
| Cancers | 34 (0.1) | 0 (0) | 34 (0.1) | – |
| Others | 227 (0.9) | 2 (5.1) | 225 (0.9) | 0.048 |
| Vaccination acceptance history | <0.001 | |||
| None | 3797 (15.1) | 14 (35.9) | 3783 (15) | |
| Partly vaccinated | 977 (3.9) | 3 (7.7) | 974 (3.9) | |
| Fully vaccinated | 20433 (81.1) | 22 (56.4) | 20411 (81.1) | |
| Traditional Chinese Medicine | 11362 (45.1) | 15 (38.5) | 11347 (45.1) | 0.503 |
Data are the median (interquartile range) or number of patients (percentage) unless otherwise indicated. Other comorbidities includes HBV, rheumatoid, chronic cholecystitis, Parkinson disease, epilepsy, hypothyroidism/hyperthyroidism, ankylosing spondylitis, gout, and chronic kidney disease.