Table 2 Relationship between D-dimer value and clinical classification.
From: The poor prognosis and influencing factors of high D-dimer levels for COVID-19 patients
Clinical classification | The first test | The last test | ||||
|---|---|---|---|---|---|---|
N | D-dimer < 0.5 mg/L | D-dimer ≥ 0.5 mg/L | N | D-dimer < 0.5 mg/L | D-dimer ≥ 0.5 mg/L | |
Mild and ordinary | 564 | 392 | 172 | 273 | 163 | 110 |
Severe | 285 | 149 | 136 | 132 | 47 | 85 |
Critical | 36 | 15 | 21 | 66 | 5 | 61 |
Total | 885 | 556 | 329 | 471 | 215 | 256 |
χ2/p | χ2 = 31.24 P < 0.001 | χ2 = 65.67 P < 0.001 | ||||
