Table 5.
Spearman correlations between disease severity of COVID-19 and age, laboratory characteristics
| Variables | Disease severity of COVID-19 |
|
|---|---|---|
| Correlation coefficient | P value | |
| Age (years) (n = 647) | 0.178 | < 0.001 |
| White blood cell count (×109/L) (n = 503) | −0.214 | < 0.001 |
| Neutrophils count (×109/L) (n = 490) | −0.051 | 0.257 |
| Eosinophils count (×109/L) (n = 507) | −0.259 | < 0.001 |
| Lymphocyte count (×109/L) (n = 491) | −0.357 | < 0.001 |
| Platelet count (×109/L) (n = 474) | −0.289 | < 0.001 |
| Monocytes count (×109/L) (n = 145) | −0.189 | 0.023 |
| Hemoglobin (g/L) (n = 435) | 0.002 | 0.961 |
| Potassium (mmol/L) (n = 418) | −0.110 | 0.025 |
| Sodium (mmol/L) (n = 419) | −0.157 | 0.001 |
| Blood Urea nitrogen (mmol/L) (n = 439) | −0.040 | 0.409 |
| Creatinine (umol/L) (n = 481) | 0.121 | 0.008 |
| Total serum bilirubin (umol/L) (n = 487) | 0.090 | 0.046 |
| Albumin (g/L) (n = 462) | −0.251 | < 0.001 |
| Aspartate aminotransferase (U/L) (n = 390) | 0.286 | < 0.001 |
| Alanine aminotransferase (U/L) (n = 464) | 0.107 | 0.021 |
| Alkaline phosphatase (U/L) (n = 464) | −0.147 | 0.001 |
| Lactate dehydrogenase (U/L) (n = 454) | 0.159 | 0.001 |
| Prothrombin time (s) (n = 562) | 0.135 | 0.001 |
| Activated partial thromboplastin time (s) (n = 559) | 0.137 | 0.001 |
| Fibrinogen (g/L) (n = 529) | 0.294 | < 0.001 |
| Erythrocyte sedimentation rate (mm/h) (n = 326) | 0.311 | < 0.001 |
| Procalcitonin (ng/mL) (n = 316) | 0.165 | 0.003 |
| Interleukin-6 (pg/ml) (n = 129) | 0.183 | 0.038 |
| CD3 + T lymphocytes (/ul) (n = 123) | −0.340 | < 0.001 |
| CD4 + T lymphocytes (/ul) (n = 123) | −0.290 | 0.001 |
| CD8 + T lymphocytes (/ul) (n = 123) | −0.322 | < 0.001 |
CD: cluster of differentiation.