Table 2.
Statistically significant laboratory findings at COVID-19 diagnosis compared with reference laboratory values
| Biological values of interest | Referencea |
At COVID-19 diagnosis |
Mean of the differences |
P b | |||
|---|---|---|---|---|---|---|---|
| No. evaluable | Median value (IQR) | No. evaluable | Median value (IQR) | No. evaluable | Mean value (IQR) | ||
| Blood count | |||||||
| Hemoglobin, g/dL | 114 | 11.6 (10.5-13.2) | 100 | 11.0 (9.2-12.4) | 87 | 1.16 (-2.3 to +0.1) | <.001 |
| Absolute neutrophil count, 109/L | 116 | 3.93 (2.59-5.81) | 97 | 4.19 (2.52-7.32) | 85 | +0.77 (-1.72 to +1.95) | .42 |
| Absolute lymphocyte count, 109/L | 114 | 1.18 (0.79-1.74) | 96 | 0.83 (0.48-1.38) | 82 | −0.31 (-0.77 to +0.09) | .03 |
| Platelets, 109/L | 114 | 240 (169-326) | 100 | 190 (132-280) | 87 | −38.6 (-100 to +26) | .02 |
| CRP, mg/L | 46 | 20 (4.6-53.2) | 71 | 84 (41-142) | 35 | +72 (+11 to +118) | .001 |
a
Reference = laboratory test results obtained no more than 2 months before inclusion in the registry. CRP = C-reactive protein; IQR = interquartile range.
b
Paired 2-sided student test.