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. 2020 Oct 24;16(2):144–153. doi: 10.30699/IJP.2020.130491.2442

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