| | Characteristics | Before matching | After matching | | Normal fibrinogen () | Low fibrinogen () | | Normal fibrinogen () | Low fibrinogen () | |
| | Gender, male, (%) | 783 (55.1) | 204 (54.5) | 0.89 | 112 (46.9) | 127 (53.1) | 0.20 | | Age, mean (SD) | 63.62 (16.58) | 57.99 (15.13) | <0.001 | 60.12 (16.13) | 60.33 (16.11) | 0.89 | | AKI, (%) | 984 (69.2) | 311 (83.2) | <0.001 | 187 (78.2) | 192 (80.3) | 0.65 | | COPD, (%) | 97 (6.8) | 28 (7.5) | 0.74 | 25 (10.5) | 20 (8.4) | 0.53 | | CKD, (%) | 307 (21.6) | 69 (18.4) | 0.21 | 45 (18.8) | 48 (20.1) | 0.82 | | Acute respiratory failure, (%) | 778 (54.8) | 235 (62.8) | 0.01 | 154 (64.4) | 145 (60.7) | 0.45 | | Liver cirrhosis, (%) | 292 (20.5) | 202 (54.0) | <0.001 | 98 (41.0) | 91 (38.1) | 0.58 | | AMI, (%) | 88 (6.2) | 20 (5.3) | 0.63 | 19 (7.9) | 16 (6.7) | 0.73 | | HF, (%) | 434 (30.5) | 62 (16.6) | <0.001 | 53 (22.2) | 53 (22.2) | 1.00 | | Hypertension, (%) | 261 (18.4) | 59 (15.8) | 0.28 | 36 (15.1) | 37 (15.5) | 1.00 | | Thrombosis, (%) | 207 (14.6) | 61 (16.3) | 0.45 | 38 (15.9) | 48 (20.1) | 0.28 | | AF, (%) | 489 (34.4) | 80 (21.4) | <0.001 | 68 (28.5) | 65 (27.2) | 0.84 | | Cerebral infarction, n (%) | 60 (4.2) | 9 (2.4) | 0.14 | 7 (2.9) | 7 (2.9) | 1.00 | | Cerebral hemorrhage n (%) | 18 (1.3) | 4 (1.1) | 0.97 | 3 (1.3) | 1 (0.4) | 0.62 | | WBC, mean (SD) | 13.83 (11.49) | 12.74 (8.85) | 0.09 | 14.63 (13.04) | 13.32 (9.58) | 0.21 | | Platelet, mean (SD) | 186.34 (123.92) | 112.18 (72.78) | <0.001 | 128.05 (77.83) | 131.74 (79.27) | 0.61 | | Creatine, mean (SD) | 2.89 (2.34) | 3.56 (2.28) | <0.001 | 3.25 (2.52) | 3.40 (2.20) | 0.48 | | Hemoglobin, mean (SD) | 10.89 (2.50) | 10.49 (2.71) | 0.01 | 10.65 (2.50) | 10.73 (2.88) | 0.77 | | Albumin, mean (SD) | 2.93 (0.68) | 2.74 (0.72) | <0.001 | 2.78 (0.65) | 2.84 (0.74) | 0.32 | | Bilirubin, mean (SD) | 3.20 (6.45) | 7.80 (9.50) | <0.001 | 5.74 (9.11) | 5.20 (7.50) | 0.48 | | Lactate, mean (SD) | 3.40 (2.87) | 5.04 (4.26) | <0.001 | 4.06 (3.37) | 4.27 (3.47) | 0.49 | | Potassium, mean (SD) | 4.35 (1.01) | 4.44 (1.11) | 0.14 | 4.38 (1.08) | 4.30 (0.92) | 0.39 | | Sodium, mean (SD) | 136.70 (6.64) | 134.88 (7.44) | <0.001 | 135.81 (7.82) | 135.59 (7.39) | 0.76 | | PT, mean (SD) | 18.91 (11.04) | 25.68 (15.35) | <0.001 | 21.76 (13.62) | 21.73 (10.45) | 0.98 | | PTT, mean (SD) | 37.65 (19.34) | 48.21 (23.79) | <0.001 | 42.82 (23.96) | 42.93 (20.95) | 0.96 | | SOFA score, mean (SD) | 10.40 (4.70) | 13.90 (4.74) | <0.001 | 12.44 (4.22) | 12.74 (4.73) | 0.45 | | SAPS II score, mean (SD) | 48.11 (16.36) | 51.73 (17.22) | <0.001 | 51.13 (16.66) | 51.07 (17.78) | 0.97 | | Fibrinogen, mean (SD) | 272.95 (72.81) | 105.14 (29.54) | <0.001 | 255.28 (73.59) | 106.96 (28.35) | <0.001 | | Inhospital death, (%) | 631 (44.4) | 231 (61.8) | <0.001 | 132 (55.2) | 134 (56.1) | 0.93 |
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