Table 3.
Baseline laboratory results and vital signs for patients infected with severe acute respiratory syndrome coronavirus-2 as well as distribution according to symptoms
| Findings | Normal value | Median (IQR) | P | ||
|---|---|---|---|---|---|
| All (n=1051) | Symptomatic (n=913) | Asymptomatic (n=138) | |||
| WBCs (×109/L) | 3.5-9.5 | 6.6 (3.6) | 6.5 (3.6) | 6.9 (3.8) | 0.91 |
| Hb (g/L) | 130-175 | 143.0 (25.0) | 143.0 (25.0) | 144.0 (27.0) | 0.26 |
| Platelets (×109/L) | 150-350 | 231.0 (106.0) | 231.0 (109.0) | 230.0 (95.0) | 0.89 |
| Neutrophils (×109/L) | 1.8-6.3 | 3.89 (3.16) | 3.92 (3.21) | 3.66 (3.06) | 0.31 |
| Lymphocytes (×109/L) | 1-3.3 | 1.45 (0.85) | 1.41 (0.86) | 1.70 (0.71) | 0.01 |
| CK (U/L) | 25-200 | 123.0 (195.8) | 130.5 (211.8) | 96.0 (86.0) | <0.0001 |
| ALT (U/L) | 10-45 | 36.0 (34.0) | 36.0 (35.0) | 31.0 (30.0) | 0.20 |
| AST (U/L) | 10-40 | 36.0 (31.0) | 37.0 (33.0) | 29.0 (17.0) | 0.050 |
| Creatinine (µmol/L) | 57-111 | 79.0 (26.1) | 79.5 (26.9) | 74.5 (24.8) | 0.31 |
| Albumin (g/L) | 40-55 | 40.0 (10.0) | 39.3 (11.0) | 42.0 (8.0) | 0.047 |
| Bilirubin (µmol/L) | 0-21 | 9.4 (6.6) | 9.6 (6.5) | 8.7 (6.2) | 0.30 |
| PT (s) | 9.5-13.5 | 13.6 (1.3) | 13.6 (1.3) | 13.7 (1.1) | 0.23 |
| PTT (s) | 25-37 | 35.8 (7.2) | 35.8 (7.3) | 35.4 (5.1) | 0.65 |
| INR | 0.8-1.2 | 1.02 (0.11) | 1.02 (0.11) | 1.03 (0.11) | 0.86 |
| CRP (mg/dL) | 0.0-0.40 | 2.78 (9.08) | 3.55 (9.52) | 0.30 (1.23) | <0.0001 |
| Erythrocytes sedimentation rate (mm/h) | 0-15 | 26.5 (59.9) | 35.0 (66.7) | 5.34 (10.9) | <0.0001 |
| LDH (U/L) | 50-242 | 265.0 (196.5) | 273.5 (203.0) | 209.0 (101.0) | <0.0001 |
| D-Dimer (ng/mL) | 0-229 | 0.91 (1.70) | 0.91 (1.50) | 0.79 (3.3) | 0.65 |
| Ferritin (ng/mL) | 15-400 | 629.1 (1006.1) | 629.1 (1005.2) | 597.3 (695.0) | 0.88 |
| Lactate (mmol/L) | 0.5-1 | 1.66 (0.66) | 1.68 (0.70) | - | - |
| Temperature (°C) | 35.5-37.5 | 37.3 (1.0) | 37.4 (1.0) | 37.0 (0.5) | <0.0001 |
| HR (beats/min) | 60-100 | 93.0 (23.0) | 95.0 (23.0) | 86.0 (17.0) | <0.0001 |
| RR (breaths/min) | 12-20 | 20.0 (1.0) | 20.0 (1.0) | 20.0 (1.0) | <0.0001 |
| SBP (mmHg) | 90-120 | 125.0 (20.0) | 125.0 (20.0) | 129.0 (20.0) | 0.10 |
| DBP (mmHg) | 60-90 | 78.0 (14.0) | 78.0 (13.0) | 75.0 (15.0) | 0.20 |
AST – Aspartate aminotransferase; ALT – Alanine aminotransferase; CK – Creatine kinase; CRP – C-reactive protein; DBP – Diastolic blood pressure; Hb – Hemoglobin; HR – Heart rate; INR – International normalized ratio; LDH – Lactate dehydrogenase; NLR – Neutrophil-lymphocyte ratio; PT – Prothrombin time; PTT – Partial thromboplastin time; RR – Respiratory rate; SBP – Systolic blood pressure – WBCs – White blood cells; IQR – Interquartile range