| | Median (IQR) | All () | Nonsurviving () | Surviving () | value |
| | Routine blood parameters a | | | | | | White blood cell count, ×109/L | 5.58 (4.22, 7.76) | 7.95 (5.42, 12.12) | 5.03 (3.98, 6.35) | <0.001 | | <3.5, No. (%) | 32 (11.2%) | 9 (8.0%) | 23 (13.3%) | 0.107 | | >9.5, No. (%) | 43 (15.1%) | 39 (34.8%) | 4 (2.3%) | <0.001 | | Neutrophil count, ×109/L | 3.89 (2.50, 6.38) | 6.67 (4.23, 10.59) | 2.92 (2.19, 4.38) | <0.001 | | Lymphocyte count, ×109/L | 0.99 (0.64, 1.44) | 0.62 (0.41, 0.87) | 1.34 (0.96, 1.63) | <0.001 | | <1.1, No. (%) | 154 (54.0%) | 97 (86.6%) | 57 (32.9%) | <0.001 | | Platelet count, ×109/L | 195 (148, 249) | 171.5 (117.5, 214.3) | 214 (168, 273) | <0.001 | | <125, No. (%) | 40 (14.2%) | 33 (29.5%) | 7 (4.0%) | <0.001 | | >350, No. (%) | 17 (6.0%) | 1 (0.9%) | 16 (9.2%) | 0.004 | | Red blood cell count, ×1010/L | 4.10 (3.69, 4.51) | 4.03 (3.65, 4.48) | 4.15 (3.72, 4.52) | 0.148 | | Liver function b | | | | | | Alanine aminotransferase, U/L | 24 (16, 40) | 24 (18, 40) | 24 (16, 40) | 0.511 | | >150, No. (%) | 6 (2.1%) | 2 (1.8%) | 4 (2.3%) | 0.778 | | Aspartate aminotransferase, U/L | 29 (21, 43) | 39 (28, 59) | 25 (20, 34) | <0.001 | | >120, No. (%) | 7 (2.5%) | 4 (3.7%) | 3 (1.7%) | 0.315 | | Total bilirubin, μmol/L c | 11.4 (8.3, 16.2) | 12.8 (8.6, 19.6) | 10.7 (8, 14.3) | 0.001 | | Direct bilirubin, μmol/L c | 4.1 (3, 5.88) | 5.3 (3.4, 8.57) | 3.55 (2.78, 4.75) | <0.001 | | Total protein, g/L c | 61.1 (57.2, 64.8) | 58.7 (54.9, 62.3) | 62.4 (59, 65.9) | <0.001 | | Albumin, g/L c | 36.5 (33.0, 39.8) | 33.3 (30.9, 36.4) | 38.5 (35.3, 41.7) | <0.001 | | Kidney function d | | | | | | Creatinine, μmol/L | 61 (51, 76) | 72.5 (55, 99.5) | 57.5 (48.8, 68.3) | <0.001 | | Increase, No. (%) | 55 (19.5%) | 48 (43.6%) | 7 (4.1%) | <0.001 | | Blood urea nitrogen, nmol/L | 4.88 (3.8, 7.2) | 7.62 (5.42, 13.22) | 4.1 (3.44, 5.0) | <0.001 | | Uric acid, μmol/L | 257.5 (208, 351.5) | 267 (182.3, 395) | 254 (214.8, 323.3) | 0.405 | | Increase, No. (%) | 60 (21.3%) | 38 (34.5%) | 22 (12.7%) | <0.001 | | Estimated glomerular filtration rate, mL/min | 98.9 (82.3, 112.5) | 84.0 (52.5, 97.0) | 103.9 (96.2, 116.9) | <0.001 | | ≤90, No. (%) | 90 (31.9%) | 64 (58.2%) | 26 (15.1%) | <0.001 | | Injury of cardiac and skeletal muscles | | | | | | Creatine kinase, U/L e | 68 (43, 112) | 97.5 (57.8, 236) | 57 (39, 88.5) | <0.001 | | >310, No. (%) | 28 (9.8%) | 23 (20.9%) | 5 (3.0%) | <0.001 | | Creatine kinase-myocardial isoenzyme mb, ng/mL f | 1.19 (0.64, 2.56) | 0.82 (0.56, 1.22) | 0.86 (0.57, 1.21) | <0.001 | | >5, No. (%) | 15 (6.9%) | 15 (14.8%) | 0 (0) | <0.001 | | Lactate dehydrogenase, U/L g | 275 (202, 427) | 473.5 (341, 612) | 222.5 (188, 283.3) | <0.001 | | >250, No. (%) | 159 (57.4%) | 95 (85.6%) | 64 (38.6%) | <0.001 | | Myoglobin, μg/L h | 57.6 (30.8, 116.4) | 106.1 (68.6, 334.8) | 34.6 (23.4, 52.5) | <0.001 | | >110, No. (%) | 58 (27.2%) | 50 (49.5%) | 8 (7.1%) | <0.001 | | Hypersensitive troponin I, ng/mL i | 0.007 (0.006, 0.046) | 0.044 (0.015, 0.131) | 0.044 (0.015, 0.131) | <0.001 | | >0.0796, No. (%) | 36 (16.7%) | 36 (35.0%) | 0 (0%) | <0.001 | | Arterial blood gas analysis j | | | | | | Blood pH | 7.42 (7.36, 7.46) | 7.42 (7.35, 7.46) | 7.41 (7.38, 7.45) | 0.782 | | <7.35, No. (%) | 30 (17.8%) | 23 (23.7%) | 7 (9.7%) | 0.019 | | >7.45, No. (%) | 56 (33.1%) | 37 (38.1%) | 19 (26.3%) | 0.108 | | Arterial oxygen saturation, % | 94 (88, 97) | 89 (80, 95) | 97 (95, 98) | <0.001 | | <95%, No. (%) | 89 (52.7%) | 72 (74.2%) | 17 (23.6%) | <0.001 | | Arterial partial pressure of oxygen, mmHg | 73 (54, 93) | 57 (45, 75) | 87 (74, 111) | <0.001 | | <60 mmHg, No. (%) | 59 (34.9%) | 53 (54.6%) | 6 (8.3%) | <0.001 | | Arterial partial pressure of carbon dioxide, mmHg | 40 (35, 45) | 37 (33, 43) | 42 (38, 45.3) | <0.001 | | <35 mmHg, No. (%) | 40 (23.6%) | 35 (36.1%) | 5 (6.9%) | <0.001 | | >45 mmHg, No. (%) | 45 (26.6%) | 20 (20.6%) | 25 (34.7%) | 0.064 | | Lactic acid, mmol/L k | 2.3 (1.7, 3.2) | 2.4 (1.8,3.4) | 2.2 (1.55, 2.9) | 0.063 | | Electrolytes l | | | | | | K+, mmol/L | 3.89 (3.5, 4.21) | 3.8 (3.4, 4.12) | 3.91 (3.56, 4.25) | 0.202 | | Na+, mmol/L | 139 (137, 142) | 139 (135, 141.6) | 140 (137, 142) | 0.022 | | Cl-, mmol/L m | 106 (102.9, 108.3) | 105.9 (101.6, 109.5) | 106 (103.4,107.7) | 0.610 | | Coagulation function | | | | | | Prothrombin time activity, % n | 81.7 (72.6, 91.4) | 74.9 (64.1, 85.4) | 78.85 (68.4, 89.03) | <0.001 | | Activated partial thromboplastin time, s o | 28.9 (26.3, 31.5) | 29.5 (27.7, 32.9) | 27.95 (25.4, 30.78) | <0.001 | | D-dimer, μmol/L o | 1.02 (0.48, 3.69) | 2.82 (0.91, 12.9) | 0.66 (0.31, 1.36) | <0.001 |
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