Table 1 General demographic characteristics and clinical manifestations of 885 COVID-19 patients with D-dimer (first lab test).
From: The poor prognosis and influencing factors of high D-dimer levels for COVID-19 patients
Demographic | N (%) | D-dimer < 0.5 mg/L | D-dimer ≥ 0.5 mg/L | P |
|---|---|---|---|---|
Total | 885 (100.0%) | 556 | 329 | |
Age (years) | ||||
≤ 60 | 427 (48.2%) | 326 | 101 | < 0.001 |
> 60 | 458 (51.8%) | 230 | 228 | |
Average age (\({\overline{\text{x}}} \pm {\text{s}}\)) | 58.83 ± 14.77 | 55.73 ± 14.48 | 64.08 ± 13.77 | < 0.001 |
Sex | ||||
Male | 431 (48.7%) | 272 | 159 | 0.87 |
Female | 454 (51.3%) | 284 | 170 | |
Average hospital stay (days) | 16.16 ± 7.89 | 16.00 ± 7.71 | 16.47 ± 8.19 | 0.37 |
Clinical manifestations | ||||
Fever | 650 (73.4%) | 409 | 241 | 0.92 |
Cough | 593 (67.0%) | 381 | 212 | 0.21 |
Chest tightness | 235 (26.6%) | 150 | 85 | 0.71 |
Difficulty breathing | 233 (26.3%) | 131 | 102 | < 0.05 |
Gastrointestinal symptoms | 64 (7.2%) | 49 | 15 | < 0.05 |
Spiritual consciousness | 8 (0.9%) | 1 | 7 | < 0.05 |
Past medical history | ||||
Hypertension | 288 (32.5%) | 160 | 128 | < 0.05 |
Coronary heart disease | 72 (8.1%) | 39 | 33 | 0.11 |
Diabetes | 97 (11.0%) | 56 | 41 | 0.27 |
Renal insufficiency | 20 (2.3%) | 6 | 14 | < 0.05 |
Cerebrovascular disease | 53 (6.0%) | 18 | 35 | < 0.001 |
Malignant tumor | 23 (2.6%) | 16 | 7 | 0.50 |
Surgical history | 86 (9.7%) | 60 | 26 | 0.16 |
Traumatic fracture | 16 (1.8%) | 6 | 10 | < 0.05 |
