Table 3.
Laboratory Findings of Critically Ill Patients with COVID-2019 on Admission to ICU.
| Median (IQR) | |||||
| Normal range | All patients (n = 45) | >7 d (n = 20) | ≤7 d (n = 25) | P valuea | |
| Ratio of PaO2 to FiO2, mmHg | >300 | 126.00 (88.00–167.00) | 105.85 (70.08–140.00) | 150.00 (112.80–217.50) | .009 |
| White blood cell count, ×109/L | 4-10 | 6.50 (3.85–13.15) | 10.25 (6.28–18.83) | 4.30 (3.00–10.10) | .004 |
| Lymphocyte count, ×109/L | 1.26–3.35 | 0.67 (0.44–1.03) | 0.58 (0.34–0.74) | 0.94 (0.48–1.15) | .032 |
| Platelet count, ×109/L | 100-300 | 121.00 (85.00–178.50) | 98.50 (76.50–197.50) | 134.00 (96.50–175.00) | .398 |
| Prothrombin time, s | 10-13 | 11.20 (10.60–12.35) | 11.90 (10.93–14.40) | 11.00 (10.45–11.60) | .043 |
| Activated partial thromboplastin time, s | 23-37 | 30.60 (26.60–34.20) | 31.95 (27.33–37.63) | 29.40 (26.00–32.50) | .185 |
| D-dimer, mg/L | 0–1.35 | 2.29 (0.66–14.60) | 9.34 (2.37–21.30) | 0.76 (0.57–3.97) | .000 |
| Lactate concentration, mmol/L | 0.36–1.2 | 2.19 (1.32–3.27) | 2.59 (1.96–3.95) | 1.68 (1.12–2.65) | .024 |
| Creatine kinase-MB, U/L | 0-24 | 13.5 (9.15–51.00) | 26.00 (10.60–118.20) | 12.20 (9.00–21.05) | .027 |
| NT-pro BNP, pg/mL | ≤300 | 158.00 (38.00–1020.50) | 393.00 (110.50–1494.00) | 68.00 (0.00–307.50) | .031 |
| Creatinine, μmol/L | 35–97 | 72.20 (61.05–124.55) | 114.70 (65.48–171.58) | 70.30 (57.00–83.65) | .037 |
| Total bilirubin, μmol/L | 2–20.4 | 15.00 (8.45–24.38) | 20.78 (8.85–33.66) | 10.81 (8.13–22.14) | .150 |
| Procalcitonin, ng/mL | 0–0.5 | 0.17 (0.06–0.63) | 0.30 (0.11–3.40) | 0.09 (0.05–0.38) | .014 |
| Na+ concentration, mmol/L | 136–145 | 145.50 (141.65–148.00) | 145.95 (142.10–149.80) | 145.10 (141.60–146.55) | .181 |