Table 1 Demographic and clinical characteristics of included participants
Characteristics | Healthy controls (n = 29) | COVID-19 (n = 29) | t/Z/χ2 | P |
|---|---|---|---|---|
Age, years | 48.34 ± 13.50 | 47.45 ± 15.72 | 0.23 | 0.817 |
Male, n (%) | 14 (48.28) | 17 (58.62) | 0.62 | 0.430 |
BMI, kg/cm2 | 24.41 ± 4.33 | 26.40 ± 3.84 | 1.85 | 0.070 |
Signs and symptoms | ||||
 Fever | NA | 22 (75.86) |  |  |
 Cough | NA | 14 (48.27) |  |  |
 Myalgia or fatigue | NA | 2 (6.90) |  |  |
 Expectoration | NA | 2 (6.90) |  |  |
 Headache | NA | 1 (3.44) |  |  |
 Oppression in chest | NA | 2 (6.90) |  |  |
Incubation period (days) | NA | 5.0 (4.0, 7.0) | Â | Â |
Days from first admission to transfer | NA | 7.0 (4.0, 8.5) | Â | Â |
Underlying | ||||
 Hypertension | 0 (0.00) | 9 (31.03) |  |  |
 Diabetes | 0 (0.00) | 3 (10.34) |  |  |
Laboratory findings | ||||
 White blood cell, × 109/L | 5.77 (5.13, 6.17) | 5.27 (4.21, 6.80) | 0.96 | 0.335 |
 Neutrophil, × 109/L | 3.28 (2.46, 4.02) | 3.32 (2.49, 4.93) | 0.50 | 0.619 |
 Lymphocyte, × 109/L | 1.98 (1.61, 2.12) | 1.07 (0.81, 1.49) | 3.86 | < 0.001 |
 Hemoglobin, g/L | 132 (122, 149) | 144 (133, 151) | 1.79 | 0.074 |
 Platelet, × 109/L | 214 (182, 253) | 176 (149, 198) | 2.80 | 0.005 |
 Fasting plasma glucose, mmol/L | NA | 6.64 ± 2.23 |  |  |
 CD4 + T cell (μL) | NA | 433 (272, 743) |  |  |
 CD8 + T cell (μL) | NA | 292 (171, 455) |  |  |