Table 2.
Initial laboratory results within 72 h of admission of COVID-19 patients and controls.
| Laboratory result | Controls N = 51 |
COVID-19 N = 90 |
p-value |
|---|---|---|---|
| Routine blood | |||
| White blood cell, 103 µL | 7.2 (4.8, 10.7) | 5.8 (4.3, 7.9) | 0.13 |
| Neutrophils, 103 µL | 4.5 (2.9, 6.8) | 4.0 (3.1, 6.6) | 0.9 |
| Lymphocytes, 103 µL | 1.08 (0.55, 1.79) | 0.80 (0.50, 1.10) | 0.032 |
| Platelet, 103 µL | 224 (148, 270) | 173 (136, 227) | 0.040 |
| Hemoglobin, g/dL | 11.00 (9.75, 13.25) | 12.50 (10.70, 13.40) | 0.041 |
| Neutrophil/lymphocytes ratio | 5.2 (2.1, 7.6) | 5.5 (3.1, 10.1) | 0.067 |
| Coagulation function | |||
| Partial thromboplastin time, s | 31.0 (27.1, 33.8) | 32.6 (29.8, 34.6) | 0.2 |
| Prothrombin time, s | 13.05 (11.65, 14.93) | 13.85 (12.80, 15.15) | 0.2 |
| d-dimer, ng/mL | 242 (150, 444) | 389 (234, 698) | 0.14 |
| Fibrinogen, mg/dL | 375 (221, 417) | 488 (383, 573) | 0.15 |
| Blood biochemistry | |||
| Albumin, g/dL | 3.50 (2.90, 3.90) | 2.80 (2.40, 3.23) | < 0.001 |
| Alanine aminotransferase, U/L | 20 (14, 37) | 30 (19, 45) | 0.039 |
| Aspartate aminotransferase, U/L | 24 (19, 34) | 39 (27, 69) | < 0.001 |
| Total bilirubin, mg/dL | 0.50 (0.40, 0.90) | 0.60 (0.40, 0.85) | > 0.9 |
| Creatinine, mg/dL | 0.93 (0.69, 1.21) | 0.94 (0.76, 1.33) | 0.6 |
| Ferritin, ng/dL | 386 (103, 1167) | 749 (381, 1383) | 0.3 |
| Lactate, mmol/L | 1.30 (1.00, 1.70) | 0.96 (0.76, 1.25) | 0.010 |
| Glucose, mg/dL | 108 (92, 134) | 106 (93, 133) | 0.6 |
| Inflammatory markers | |||
| C-reactive protein, µg/mL | 4 (2, 7) | 10 (5, 16) | 0.10 |
| Erythrocyte sedimentation rate, mm/h | 60 (46, 60) | 55 (20, 71) | > 0.9 |
| Procalcitonin, ng/mL | 0.24 (0.13, 0.46) | 0.14 (0.07, 0.36) | 0.3 |
| Arterial blood gas analysis | |||
| pH | 7.60 (7.60, 7.60) | 7.40 (7.31, 7.44) | 0.092 |
| PaO2, mmHg | 78 (78, 78) | 74 (55, 84) | 0.8 |
| PaCO2, mmHg | 44 (44, 44) | 38 (33, 49) | 0.7 |