| Parameters | Control group (n=50) | CRRT group (n=39) | P-valuea | | Age, years | 76.0 (68.2, 85.1) | 74.5 (65.0, 83.3) | 0.489 | | Male gender, n (%) | 29 (58.0) | 18 (46.2) | 0.292 | | Infection sites, n (%) | | | | | Lung | 21 (42.0) | 12 (30.8) | 0.377 | | Abdomen | 13 (26.0) | 17 (43.6) | 0.114 | | Biliary system | 9 (18.0) | 6 (15.4) | 0.784 | | Soft skin tissue | 9 (18.0) | 4 (10.2) | 0.375 | | Comorbidities, n (%) | | | | | Hypertension | 28 (56.0) | 20 (51.3) | 0.675 | | Diabetes mellitus | 20 (40.0) | 11 (28.2) | 0.271 | Stroke
Acute myocardial infarction
Deep venous thrombosis | 1 (2.0)
2 (4.0)
4 (8.0) | 0 (0)
0 (0)
1 (2.6) | 1.000
0.502
0.380 | | Post-operative patients, n (%) | 7 (14.0) | 3 (7.7) | 0.503 | | Patients using vasopressors, n (%) | 27 (54.0) | 20 (51.5) | 0.833 | | Patients with mechanical ventilation, n (%) | 26 (52.0) | 17 (43.6) | 0.523 | | Length of mechanical ventilation, h | 102.0 (75.8, 136.0) | 117.0 (79.0, 151.0) | 0.386 | | PaO2/FiO2, mmHg | 216.5 (175.8, 245.0) | 217.0 (192.0, 244.0) | 0.579 | | Serum procalcitonin, ng/mL | 7.32 (2.45, 10.23) | 5.00 (1.16, 16.90) | 0.993 | | Serum lactate, mmol/L | 4.05 (2.28, 5.53) | 3.10 (1.80, 4.90) | 0.101 | | Serum creatinine, µmol/L | 242.0 (181.8, 261.3) | 247.0 (209.0, 265.0) | 0.721 | | Urine output, mL/(kg·h) | 0.32 (0.28, 0.49) | 0.37 (0.29, 0.48) | 0.735 | | Serum potassium, mmol/L | 4.16 (3.84, 4.58) | 4.36 (3.96, 4.65) | 0.186 | | Reticulocytes, ×109/L | 66.0 (43.3, 81.3) | 50.0 (38.0, 65.0) | 0.083 | | Mean corpuscular volume, fL | 88.5 (82.0, 93.0) | 88.0 (85.0, 93.0) | 0.967 | | Mean corpuscular hemoglobin, pg | 32.0 (30.0, 34.0) | 32.0 (29.0, 34.0) | 0.800 | | MCHC, g/L | 334.5 (320.8, 347.0) | 333.0 (314.0, 348.0) | 0.628 |
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