Table 1 Baseline characteristics
From: A positive fluid balance is associated with a worse outcome in patients with acute renal failure
Characteristic | All patients n = 3,147 | No ARF n = 2,027 | ARF n = 1,120 | P value |
|---|---|---|---|---|
Age, years | 60.6 ± 17.4 | 59.3 ± 18.0 | 62.8 ± 16.1 | <0.01 |
Male gender | 1,920 (61.7) | 1,250 (62.3) | 670 (60.6) | 0.34 |
SAPS II | 36.5 ± 17.1 | 33.4 ± 15.6 | 42.1 ± 18.3 | <0.01 |
SOFA score on admission | 4 (2–8) | 4 (1–6) | 6 (4–9) | <0.01 |
SOFA without renal score on admission | 4 (1–6) | 3 (1–6) | 4 (2–7) | <0.001 |
Vasoactive drugs | 1,983 (63.0) | 1,034 (51.2) | 949 (84.7) | <0.01 |
Mechanical ventilation | 2,025 (64.3) | 1,248 (61.8) | 777 (69.4) | <0.01 |
Serum creatinine, mg/dL | 1.5 ± 1.5 | 1.0 ± 0.5 | 2.2 ± 2.2 | <0.01 |
Comorbid diseases, number (percentage) | ||||
Cancer | 415 (13.2) | 289 (14.3) | 126 (11.3) | 0.02 |
Hematologic cancer | 69 (2.2) | 39 (1.9) | 30 (2.7) | 0.17 |
Chronic obstructive pulmonary disease | 340 (10.8) | 196 (9.7) | 144 (12.9) | <0.01 |
HIV infection | 26 (0.9) | 12 (0.6) | 14 (1.3) | 0.39 |
Liver cirrhosis | 121 (3.8) | 73 (3.6) | 48 (4.3) | 0.34 |
Heart failure | 307 (9.8) | 174 (8.6) | 133 (11.9) | <0.01 |
Diabetes | 226 (7.2) | 121 (6.0) | 105 (9.4) | <0.001 |
Category of admission diagnosis, number (percentage) | ||||
Cardiovascular | 949 (32.0) | 573 (28.3) | 376 (33.6) | 0.44 |
Respiratory | 560 (18.9) | 341 (18.0) | 219 (20.3) | 0.61 |
Neurologic | 485 (16.3) | 359 (17.7) | 126 (11.3) | 0.62 |
Digestive | 333 (11.2) | 206 (10.9) | 127 (11.8) | 0.67 |
Trauma | 181 (6.1) | 142 (7.0) | 39 (3.5) | 0.70 |
Monitoring | 247 (8.3) | 167 (8.2) | 80 (7.1) | 0.69 |
Sepsis syndromes | 777 (24.7) | 423 (20.9) | 354 (31.6) | <0.01 |
Others | 392 (12.5) | 239 (11.8) | 153 (13.7) | 0.66 |
ICU mortality, number (percentage) | 583 (18.5%) | 245 (12.1) | 338 (30.2) | <0.01 |
60-day mortality, number (percentage) | 722 (23.3%) | 327 (16.4) | 395 (35.7) | <0.01 |