Table 2. Laboratory Findings Among Patients Who Did or Did Not Develop Critical Illness.
| Variable | Total, mean (SD) [range] | Critical illness, mean (SD) | |
|---|---|---|---|
| No | Yes | ||
| No. | 1590 | 1459 | 131 |
| Total urine volume, mL/d | 794.6 (901.6) [0-3810] | 622.1 (855.4) | 1155.1 (907.8) |
| Pao2 (with oxygen inhalation), mm Hg | 84.3 (36.2) [10.2-242.0] | 86.5 (36.0) | 67.2 (33.3) |
| FiO2, % | 27.5 (16.6) [21.0-99.7] | 26.6 (14.7) | 33.2 (25.2) |
| Pao2 (without oxygen inhalation), mm Hg | 92.7 (13.5) [6.12-254.0] | 93.6 (12.5) | 85.8 (18.2) |
| Neutrophil cell count, ×109/L | 4.14 (2.2) [0.69-24.0] | 3.9 (1.9) | 6.4 (3.6) |
| Lymphocyte count, ×109/L | 1.4 (3.1) [0-45.0] | 1.5 (3.3) | 0.7 (0.4) |
| Platelet count, ×109/L | 179.5 (70.7) [0.1-602.0] | 180.1 (70.4) | 173.4 (73.7) |
| Hemoglobin, g/L | 123.5 (43.9) [3.33-414.0] | 124.2 (43.9) | 115.5 (43.5) |
| C-reactive protein, mg/L | 34.8 (49.2) [0-624.0] | 30.6 (43.8) | 84.5 (76.3) |
| Procalcitonin, ng/mL | 0.7 (9.8) [0-252.7] | 0.8 (10.3) | 0.6 (1.4) |
| Lactate dehydrogenase, U/L | 314.3 (693.7) [1.0-1411.0] | 273.6 (135.2) | 723.6 (2239.5) |
| Aminotransferase, U/L | |||
| Aspartate | 49.7 (451.9) [5.1-203.0] | 34.1 (20.9) | 205.1 (1493.4) |
| Alanine | 43.1 (242.5) [2.0-435.0] | 34.4 (37.2) | 130.1 (795.9) |
| Bilirubin, mmol/L | |||
| Direct | 4 (2.7) [0-22.3] | 3.7 (2.3) | 6.5 (4.1) |
| Indirect | 7.4 (4.5) [0-41.2] | 7.2 (4.3) | 8.9 (5.3) |
| Total | 11.8 (14.2) [0.1-97.0] | 11.4 (14.7) | 15.2 (8.4) |
| Creatine kinase, U/L | 135.5 (246.7) [0.05-1013.0] | 123 (125.3) | 258.9 (702.8) |
| Creatinine, μmol/L | 76 (71.4) [4.05-1441.0] | 71.8 (54.2) | 118.7 (158.4) |
| Hypersensitive troponin I, pg/mL | 76.3 (586.4) [0-8622.0] | 42.7 (439.0) | 288.1 (1124.2) |
| Albumin, g/L | 38.7 (9.1) [0-135.0] | 39.3 (8.9) | 32.6 (8.9) |
| Sodium, mmol/L | 140.5 (50.4) [124.4-151.0] | 139.7 (41.2) | 148.7 (103.1) |
| Potassium, mmol/L | 4.4 (6.4) [2.3-6.7] | 4.4 (6.7) | 4.1 (0.8) |
| Chlorine, mmol/L | 103.8 (28.2) [89.8-119.0] | 103.7 (29.5) | 105 (4.8) |
| D-dimer level, mg/L | 25.5 (138.2) [0-2660.0] | 26.3 (144.8) | 19.1 (70.1) |
| Prothrombin time, s | 17.4 (48.2) [0-183.0] | 17.6 (50.2) | 15.9 (24.1) |
| Activated partial thromboplastin time, s | 42.5 (143.7) [3.0-499.0] | 43.3 (150.6) | 34.8 (50.9) |
| Neutrophil-lymphocyte ratio | 5.1 (5.6) [0.06-78.2] | 4.4 (3.8) | 12.7 (12.4) |
Abbreviations: FiO2, fraction of inspired oxygen; Pao2, partial pressure of oxygen.