Table 1.
Characteristics of patients according to treatment with renal replacement therapy (RRT)
| Characteristic | RRT N = 1,686 |
Non-RRT N = 23,218 |
P-value |
|---|---|---|---|
| Age - median (IQR) (yr) | 63 (52 to 72) | 62 (50 to 73) | 0.173 |
| Male gender - no./total no. (%) | 1,143/1,685 (67.8%) | 14,641/23,200 (63.1%) | < 0.001 |
| SAPS II score - median (IQR) | 48 (37 to 62) | 33 (23 to 46) | < 0.001 |
| SOFA (1.d) score - median (IQR) | 10 (7 to 13) | 6 (3 to 8) | < 0.001 |
| Mean daily TISS score - median (IQR) | 36.4 (29.7 to 43.2) | 28.7 (22.4 to 35.0) | < 0.001 |
| Emergency admission - no./total no. (%) | 1,558/1,684 (92.5%) | 19,122/23,202 (82.4%) | < 0.001 |
| Surgical admission- no./total no. (%) | 410/1,685 (24.3%) | 9,426/23,208 (40.6%) | < 0.001 |
| Sepsis/severe sepsis - no./total no.(%) | 510/1,681 (30.3%) | 3,753/23,101 (16.2%) | < 0.001 |
| Mechanical ventilation - no./total no. (%) | 1,014/1,642 (61.8%) | 11,116/22,409 (49.6%) | < 0.001 |
| Vasoactives-no./total no. (%) | 1,067/1,671 (63.9%) | 9,556/23,175 (41.2%) | < 0.001 |
| Creatinine - median (IQR) (micromol/L) | 210 (119 to 352)* | 72 (56 to 101)† | < 0.001 |
| Urine output - median (IQR) (mL/d) | 829 (232 to 1,947) | 2,355 (1,555 to 3,390) | < 0.001 |
IQR, Interquartile range (25th to 75th percentiles); SAPS, Simplified Acute Physiology Score; SOFA, Sequential Organ Failure Assessment; TISS, Therapeutic Intervention Scoring System. * Data missing for 5% of cases. †Data missing for 7% of cases.