Table 3.
Admission Laboratory Findings of COVID-19 Patients in Comparison with Those of Controls
COVID-19 (n=91) | Controls (n=169) | P-value | |
---|---|---|---|
Variable | Mean ± SD or % | Mean ± SD or % | |
Sex (male) | 60.4% | 66.9% | 0.34 |
Age | 55.44 ± 16.9 | 55.91 ± 15.2 | 0.82 |
Calcium (mg/dL) † | 8.36 ± 0.57 | 8.79 ± 0.35 | < 0.001* |
Hypocalcemia†† ^ | 59.3% | 32.5% | <0.001* |
Vitamin D (nmol/L) | 73.16 ± 23.59 | 76.02 ± 23.48 | 0.37 |
PTH (pg/mL) | 45.13 ± 23.2 | 46.25 ± 10.82 | 0.545 |
White Blood Cell (×10 9/μL) | 7.330 ± 4.5441 | 6.636 ± 1.83 | 0.16 |
Lymphocyte (×10 9/μL) | 1.163 ± 5.88 | 3.49 ± 0.89 | < 0.001* |
Hemoglobin (g/dL) | 14.0 ± 2 | 14.5 ± 1.9 | 0.05* |
Albumin (g/dL) | 3.73 ± 0.49 | 4.52 ± 0.2 | < 0.001* |
BUN (mg/dL) | 16.45 ± 10.33 | 16.45 ± 4.7 | 0.176 |
Creatinine (mg/dL) | 0.84 ± 0.27 | 0.92 ± 0.16 | 0.002* |
Sodium (mmol/L) | 136.97 ± 3.34 | 141.6 ± 1.3 | < 0.001* |
Potassium (mmol/L) | 4.08 ± 0.37 | 4.46 ± 0.57 | < 0.001* |
ALT (U/L) | 32.32 ± 41.92 | 24.3 ± 12.36 | 0.084 |
AST (U/L) | 33.93 ± 53.92 | 18.44 ± 6.1 | 0.008* |
ALK (U/L) | 153.46±39.01 | 201.98 ± 42.23 | < 0.001* |
* Statistical Significance at P-value<0.05
† Calcium levels were corrected by albumin (corrected calcium=calcium + (0.8 × (4-albumin)))
†† Hypocalcemia means serum calcium level ≤8.6 mg/dL
^ OR=3.02, 95% CI: 1.79-5.13