TABLE 2.
Main demographic and hematological data between COVID‐19 positive patients and a reference (ED) population
| COVID‐19 positive (n = 50) | ED population (n = 490) | P‐value | P‐value* | |||
|---|---|---|---|---|---|---|
| Mean ± SD | Median (IQR) | Mean ± SD | Median (IQR) | |||
| Age (years) | 70.6 ± 12 | 61.2 ± 16.3 | <.001 | / | ||
| Male sex (%) | 66 | 59 | .349 | / | ||
| WBC (×109/L) | 8.6 ± 4.1 | 7.9 (5.8‐10.7) | 8.6 ± 2.7 | 8.1 (6.7‐9.9) | .2605 | / |
| RBC (×1012/L) | 4.4 ± 0.67 | 4.5 (3.9‐4.9) | 4.7 ± 0.6 | 4.7 (4.4‐5.1) | .0007 | .0055 |
| HGB (g/dL) | 13.1 ± 2.2 | 13(11.5‐14.8) | 13.8 ± 1.7 | 13.9 (12.8‐15.0) | .0135 | .0269 |
| HCT (%) | 39.5 ± 6.3 | 39.3 (35.2‐43.5) | 41.2 ± 4.6 | 41.7 (38.7‐44.2) | .0123 | .028 |
| MCV (fL) | 88.6 ± 5.2 | 89.4 (85.3‐91.5) | 86.7 ± 6.4 | 87.5 (84.5‐90.1) | .0401 | .3186 |
| MCH (pg) | 29.5 ± 2.1 | 29.9 (27.9‐30.8) | 29.0 ± 2.6 | 29.5 (28.3‐30.5) | .3967 | / |
| MCHC (g/L) | 323 ± 14 | 332 (323‐341) | 334 ± 12 | 336 (328‐343) | .1858 | / |
| RDW‐SD (fL) | 45.2 ± 6.4 | 44.3 (40.6‐47.6) | 42.8 ± 5.1 | 42.1 (39.5‐44.8) | .0062 | .1056 |
| RDW‐CV (%) | 14.0 ± 1.8 | 13.5 (12.8‐14.8) | 13.6 ± 1.7 | 13.2 (12.6‐14) | .0575 | / |
| NEUT (×109/L) | 6.3 ± 3.5 | 5.68 (3.6‐8.5) | 5.6 ± 2.4 | 5.1 (4.0‐6.7) | .4685 | / |
| LYMPH (×109/L) | 1.4 ± 1.1 | 1.24 (0.94‐1.73) | 2.1 ± 0.9 | 1.99 (1.49‐2.64) | <.0001 | .0004 |
| MONO (×109/L) | 0.67 ± 0.34 | 0.57 (0.46‐0.78) | 0.68 ± 0.33 | 0.63 (0.51‐0.77) | .3594 | / |
| EO (×109/L) | 0.06 ± 0.07 | 0.03 (0.01‐0.12) | 0.14 ± 0.14 | 0.1 (0.05‐0.19) | <.0001 | .0004 |
| BASO (×109/L) | 0.03 ± 0.02 | 0.03 (0.01‐0.04) | 0.04 ± 0.02 | 0.04 (0.03‐0.05) | <.0001 | .0029 |
Abbreviations: BASO, basophils; EO, eosinophils; HCT, haematocrit; HGB, hemoglobin; LYMPH, lymphocytes; MCH, mean corpuscular hemoglobin; MCHC, mean corpuscolar hemoglobin concentration; MCV, mean corpuscular volume; MONO, monocytes; NEUT, neutrophils; RBC, red blood cells; RDW‐CV, red blood cell distribution width‐coefficient of variation; RDW‐SD, red blood cell distribution width‐standard deviation; WBC, white blood cells.
* P‐value obtained from the adjustment through age and sex.