Table 3.
Hematologic parameters of the study groups at different severity levels of COVID-19
| Parameters | Reference range | NSCP (n = 165) Mean ± SD |
SCP (n = 71) Mean ± SD |
t-statistic |
P value (< 0.05) |
|---|---|---|---|---|---|
| Hb (g/dL) | 11–16 | 14.1 ± 2.1 | 12.8 ± 2.2 | 4.198 | 0.000 |
| RBC (x/L) | 3.5–5.5 | 5.1 ± 0.7 | 4.7 ± 0.9 | 4.026 | 0.000 |
| PCV (%) | 37–54 | 40.8 ± 6.1 | 37.4 ± 6.3 | 3.854 | 0.000 |
| MCV (fL) | 80–100 | 79.2 ± 9.2 | 81.0 ± 8.4 | − 1.387 | 0.167 |
| MCH (pg) | 27–34 | 27.8 ± 2.9 | 27.5 ± 3.3 | 0.652 | 0.515 |
| MCHC (%) | 32–36 | 34.6 ± 1.5 | 34.6 ± 6.3 | 0.078 | 0.938 |
| WBC (x/L) | 4–10 | 6.7 ± 2.7 | 9.5 ± 4.7 | − 5.717 | 0.000 |
| Neu (%) | 50–70 | 59.5 ± 14.3 | 71.8 ± 16.3 | − 5.779 | 0.000 |
| MID (%) | 3–14 | 8.1 ± 5.6 | 6.5 ± 3.2 | 2.338 | 0.020 |
| Lym (%) | 20–40 | 34.0 ± 20.1 | 20.5 ± 13.4 | 5.167 | 0.000 |
| PLT (x /L) | 100–300 | 234.9 ± 69.7 | 258.1 ± 96.1 | − 2.085 | 0.038 |
The P value is provided for comparison between the NSCP and SCP groups
t-statistic shows the statistical difference between the means of NSCP and SCP