Table 2. Laboratory findings of COVID-2019 patients on admission.
| Variables | Total (n=75) | Non-ProLOS (n=50) | ProLOS (n=25) | P value |
|---|---|---|---|---|
| WBC (×109/L), median (IQR) | 4.64 (3.62, 5.76) | 4.75 (3.83, 6.10) | 4.32 (3.27, 5.00) | 0.096 |
| WBC less than 4×109/L, n [%] | 26 [35] | 16 [32] | 10 [40] | 0.668 |
| Neutrophils (×109/L), median (IQR) | 2.65 (2.01, 3.63) | 2.90 (2.21, 4.19) | 2.50 (1.77, 3.23) | 0.048 |
| Neutrophil category, n [%] | 0.176 | |||
| [0, 2] | 19 [25] | 10 [20] | 9 [36] | |
| [2, 5] | 52 [69] | 36 [72] | 16 [64] | |
| [5, 9] | 4 [5] | 4 [8] | 0 [0] | |
| Lymphocyte (×109/L), mean ± SD | 1.33±0.42 | 1.29±0.44 | 1.40±0.39 | 0.311 |
| Lymphocyte less than 1×109/L, n [%] | 17 [23] | 13 [26] | 4 [16] | 0.495 |
| Monocyte (×109/L), median (IQR) | 0.46 (0.36, 0.57) | 0.47 (0.38, 0.58) | 0.42 (0.34, 0.56) | 0.451 |
| Platelet (×109/L), median (IQR) | 188.00 (158.50, 222.00) | 179.50 (154.25, 221.00) | 192.00 (168.00, 222.00) | 0.500 |
| PT (s), mean ± SD | 13.21±0.55 | 13.10±0.48 | 13.42±0.63 | 0.029 |
| APTT (s), mean ± SD | 39.30±5.39 | 40.02±5.69 | 37.86±4.51 | 0.078 |
| D-Dimer (mg/L), median (IQR) | 0.36 (0.26, 0.78) | 0.44 (0.32, 0.84) | 0.26 (0.22, 0.46) | 0.012 |
| CK (U/L), median (IQR) | 63.00 (50.00, 112.50) | 76.50 (55.25, 118.25) | 51.00 (45.00, 107.00) | 0.026 |
| Elevated CK, n [%] | 9 [12] | 6 [12] | 3 [12] | 1.000 |
| CKMB (U/L), median (IQR) | 17.00 (13.50, 21.00) | 18.00 (15.25, 24.75) | 14.00 (10.00, 17.00) | <0.001 |
| Elevated CKMB, n [%] | 12 [16] | 12 [24] | 0 [0] | 0.006 |
| LDH (U/L), median (IQR) | 230.00 (190.00, 298.00) | 262.00 (207.25, 315.75) | 203.00 (181.00, 244.00) | <0.001 |
| AST (U/L), median (IQR) | 22.00 (19.00, 32.00) | 26.00 (20.25, 36.75) | 20.00 (16.00, 21.00) | <0.001 |
| Elevated AST, n [%] | 11 [15] | 11 [22] | 0 [0] | 0.012 |
| ALT (U/L), mean ± SD | 16.65±9.26 | 18.82±9.20 | 12.32±7.87 | 0.002 |
| TB (mmol/L), median (IQR) | 10.00 (6.70, 14.35) | 10.35 (7.25, 14.55) | 7.80 (5.70, 12.80) | 0.069 |
| Creatinine (mmol/L), mean ± SD | 63.77±15.80 | 64.02±14.84 | 63.28±17.88 | 0.860 |
| PCT (ng/mL), median (IQR) | 0.25 (0.25, 0.32) | 0.25 (0.25, 0.25) | 0.29 (0.25, 0.36) | 0.003 |
| Elevated PCT, n [%] | 27 [36] | 11 [22] | 16 [64] | <0.001 |
| PaO2, mean ± SD | 99.95±26.53 | 99.53±25.39 | 100.80±29.20 | 0.854 |
| FiO2, median [IQR] | 33 [33, 33] | 33 [33, 33] | 33 [29, 33] | 0.055 |
| PaCO2, mean ± SD | 35.80±4.83 | 34.91±4.01 | 37.57±5.85 | 0.049 |
| HCO3, mean ± SD | 23.47±2.56 | 23.43±2.39 | 23.54±2.93 | 0.862 |
| BE, median (IQR) | 0 (−2, 2) | 0 (−1.75, 2) | 0 (−2, 1) | 0.409 |
| pH, median (IQR) | 7.43 (7.41, 7.46) | 7.44 (7.41, 7.47) | 7.41 (7.4, 7.43) | 0.016 |
COVID-2019, Coronavirus Disease 2019; ProLOS, prolonged length of stay in hospital; WBC, white blood count; IQR, interquartile range; SD, standard deviation; PT, partial thrombin time; APTT, activated partial thrombin time; CK, creatine kinase; CKMB, creatine kinase myocardial band; LDH, lactate dehydrogenase; AST, aspartate aminotransferase; ALT, alanine aminotransferase; TB, total bilirubin; PCT, procalcitonin; BE, base excess.