Table 6. Laboratory indicators of COVID-19 patients with or without cardiac injury.
| Patients, No, (%) | P value | |||
| All (n=113) | Cardiac injury | |||
| Without (n=95) | With (n=18) | |||
| White blood cell × 109 per L | 6.76±3.30 | 6.64±3.15 | 7.41±4.01 | 0.383 |
| Neutrophil | 3.89 (2.67-7.00) | 3.81 (2.41-6.36) | 5.44 (3.07-8.41) | 0.166 |
| Lymphocytes | 1.10±0.57 | 1.17±0.59 | 0.78±0.26 | < 0.001 |
| Monocytes | 0.46±0.21 | 0.47±0.22 | 0.41±0.18 | 0.253 |
| Platelet count, × 109 per L | 226.71±85.51 | 236.57±83.70 | 180.17±80.45 | 0.010 |
| Red cell count, × 109 per L | 4.14±0.59 | 4.16±0.61 | 4.04±0.49 | 0.130 |
| Haemoglobin, g/L | 128.00 (120.00-137.75) | 128.00 (119.75-138.25) | 130.00 (120.25-138.00) | 0.997 |
| Albumin, g/L | 37.86±5.96 | 38.33±5.72 | 35.49±6.74 | 0.072 |
| CRP mg/L | 35.80 (5.00-87.18) | 25.00 (5.00-77.50) | 63.50 (24.70-154.20) | 0.004 |
| ALT, U/L | 24.00 (17.00-42.00) | 23.00 (17.00-40.25) | 32.00 (19.75-71.50) | 0.101 |
| TB, mmol/L | 12.00 (8.90-15.80) | 11.35 (8.50-15.15) | 15.50 (11.85-25.80) | 0.010 |
| Potassium, mmol/L | 4.08±0.65 | 4.16±0.64 | 3.7±0.601 | 0.010 |
| Sodium, mmol/L | 141.68±5.09 | 142.02±4.82 | 139.94±6.16 | 0.124 |
| Calcium, mmol/L | 2.13 (2.03-2.22) | 2.15 (2.06-2.25) | 2.03 (1.97-2.09) | 0.001 |
| Creatinine, μmol/L | 63.00 (53.00-74.00) | 62.00 (53.00-74.00) | 64.00 (53.50-71.50) | 0.616 |
| IL2, pg/L | 3.59 (3.17-3.98) | 3.56 (3.17-4.12) | 3.67 (3.17-3.98) | 0.045 |
| IL4, pg/L | 3.20±0.63 | 3.09±0.70 | 3.31±0.53 | 0.396 |
| IL6, pg/L | 10.20 (5.77-37.20) | 6.49 (4.34-11.94) | 16.38 (7.65-0.98) | 0.003 |
| IL10, pg/L | 5.85 (4.64-7.60) | 5.30 (4.32-6.21) | 6.19 (5.24-12.16) | 0.119 |
| TNF-α, pg/L | 3.18 (2.68-5.35) | 3.01 (2.59-5.71) | 3.21 (2.75-5.59) | 0.827 |
| INF-γ, pg/L | 3.44 (3.01-5.24) | 3.42 (2.82-5.38) | 3.44 (3.11-4.29) | 0.468 |
| LDH, U/L | 313.22±153.57 | 290.45±142.20 | 443.73±155.72 | < 0.001 |
| BNP, pg/mL | 144.50 (51.58-369.08) | 95.39 (26.66-227.38) | 553.10 (299.83-1179.00) | < 0.001 |
| CK, U/L | 58.00 (40.00-103.00) | 53.50 (37.75-86.25) | 119.00 (72.00-168.00) | < 0.001 |
| CKMB, U/L | 1.13 (0.64-1.72) | 1.02 (0.62-1.46) | 2.31 (1.42-3.53) | < 0.001 |
| D-dimer, mg/L | 0.81 (0.36-2.30) | 0.63 (0.34-1.88) | 3.20 (1.03-15.04) | 0.003 |
| Procalcitonin, ng/mL | 0.43 (0.13-3.80) | 0.55 (0.13-4.45) | 0.39 (0.11-1.20) | 0.273 |
Data are median (IQR), mean±SEM. p values were calculated by Mann-Whitney U test or t test as appropriate. Abbreviation: CRP, C-reactive protein; ALT, alanine aminotransferase; TB, total bilirubin; LDH, lactate dehydrogenase; cTnI, cardiac troponin I; BNP, brain natriuretic peptide; CK, creatine kinase; CKMB, creatine kinase-MB.