Table 2. Laboratory findings among critical and non-critical COVID-19 patients on admission to hospital.
| Variables | Normal range | Total number (N=456) | Non-critical group (N=341) | Critical group (N=115) | p-value |
|---|---|---|---|---|---|
| Leukocyte, × 10 9/L | 4-10 | 8.1 ± 3.8 | 7.4 ± 2.4 | 7 ± 2 | 0.4 |
| Lymphocyte, × 10 9/L | 1.5-4 | 1.1 ± 0.6 | 1.1 ± 0.33 | 0.8 ± 0.24 | <0.001 |
| Neutrophil, × 10 9/L | 1.5-7 | 6.5 ± 3.7 | 5.7 ± 0.19 | 5.8 ± 0.38 | 0.926 |
| Platelet, × 10 9/L | 150-400 | 252 ± 114 | 235 ± 6.53 | 203 ± 8.76 | <0.001 |
| NLR (ratio) | - | 7.52 ± 8.05 | 7.12 ± 0.43 | 8.69 ± 0.76 | 0.073 |
| C-reactive protein, mg/L | <8 | 110 ± 73 | 106 ± 71.7 | 122 ± 78.2 | 0.047 |
| D-dimer (N=136), μg/L | 0-500 if < 50 years 0-(age*10) if > 50 years | 1214 ± 1311 | 712 ± 1401 (N=99) | 1027 ± 1035 (N=37) | 0.011 |
| Creatinine, μmol/L | 50-101 | 86.6 ± 62.5 | 85 ± 64.3 | 91.6 ± 56 | 0.026 |
| Blood urea nitrogen, mmol/L | 2.5-7 | 7.8 ± 6 | 6.2 ± 6.3 | 7 ± 4.4 | 0.061 |
| Creatine Kinase, U/L | <168 | 146.7 ± 168 | 83 ± 153 | 127 ± 199 | 0.039 |
| Lactate Dehydrogenase, U/L | 125-222 | 784.7 ± 34 | 701 ± 342 | 831 ± 334 | 0.04 |
| Aspartate aminotransferase, U/L | 5-40 | 40.5 ± 31 | 39 ± 26.25 | 45 ± 40.6 | 0.172 |
| Alanine aminotransferase, U/L | 5-45 | 34.7 ± 29 | 34 ± 26.8 | 36 ± 34.5 | 0.740 |
| Natremia, mmol/L | 135-145 | 134.7 ± 4.5 | 135 ± 4.1 | 133 ± 5.5 | 0.011 |
| Kalemia, mmol/L | 3.5-5 | 4.09 ± 0.6 | 4.12 ± 0.56 | 3.98 ± 0.63 | 0.029 |
| Hypersensitive troponin (N=117), ng/L | <19 | 180.2 ± 1570 | 15.5 ± 57.2 (N=86) | 637 ± 3036 (N=31) | 0.001 |
| NT-Pro-BNP (N=67), pg/mL | <125 | 989.7 ± 1149 | 779 ± 1315 (N=41) | 1322 ± 1608 (N=26) | 0.011 |