Table 1.
Demographic data and baseline characteristics in patients with COVID-19
| All patients (n = 619) | Patients with increased leukocytes (n = 52) | Patients with non-increased leukocytes (n = 567) | P value | |
|---|---|---|---|---|
| Age (years), mean ± SD | 58.2 ± 13.1 | 64.7 ± 11.4 | 57.6 ± 13.0 | < 0.001 |
| ≥ 60, n (%) | 275 (44.5) | 35 (67.3) | 240 (42.3) | 0.001 |
| < 60, n (%) | 344 (55.6) | 17 (32.7) | 327 (57.7) | |
| Sex | ||||
| Female, n (%) | 310 (50.1) | 20 (38.5) | 290 (51.1) | 0.08 |
| Male, n (%) | 309 (40.9) | 32 (61.5) | 277 (48.9) | |
| Current smoking, n (%) | 180 (29.1) | 13 (25) | 167 (29.5) | 0.499 |
| Exposure history, n (%) | ||||
| Living in Wuhan City | 619 (100) | 52 (100) | 567 (100) | |
| Contact with patients with fever or respiratory symptoms | 163 (26.3) | 14 (26.9) | 149 (26.3) | 0.92 |
| Underlying chronic disease, n (%) | ||||
| Any | 297 (48.0) | 37 (71.2) | 260 (45.9) | < 0.001 |
| Chronic obstructive pulmonary disease | 30 (4.8) | 3 (5.7) | 27 (4.8) | 0.732 |
| Diabetes | 85 (13.7) | 13 (25) | 72 (12.7) | 0.014 |
| Hypertension | 165 (26.7) | 26 (50) | 139 (24.5) | < 0.001 |
| Coronary heart disease | 45 (7.3) | 8 (15.4) | 37 (6.5) | 0.043 |
| Cerebrovascular disease | 19 (3.1) | 2 (3.8) | 17 (3.0) | 0.669 |
| Tumour | 10 (1.6) | 1 (1.9) | 9 (1.6) | 0.587 |
| Chronic renal disease | 28 (4.5) | 1 (1.9) | 27 (4.8) | 0.501 |
| Immunodeficiency | 5 (0.8) | 0 | 5(0.9) | 1.00 |
COVID-19 coronavirus disease 2019