Table 1.
Baseline demographics
| RH (n = 40) | UUS (n = 43) | P value | |||
|---|---|---|---|---|---|
| Missing, n | Missing, n | ||||
| Age, mean (95% CI) | 53.6 (49.6–58.1) | 0 | 49.2 (44.3–54.1) | 0 | 0.184 |
| Male gender, n (%) | 28 (70.0) | 0 | 33 (76.7) | 0 | 0.410 |
| Body weight (kg), mean (95% CI) | 81.1 (75.3–86.9) | 1 | 87.9 (79.3–96.5) | 0 | 0.198 |
| SAPS II, mean (95% CI) | 49.3 (43.7–55.0) | 5 | 43.2 (39.2–47.2) | 2 | 0.070 |
| 90 days mortality, n (%) | 11 (27.5) | 0 | 11 (25.6) | 0 | 0.843 |
| CRRT, n (%) | 16 (40.0) | 20 (46.5) | |||
| Patients with AKI, n (%) according to RIFLE‐criteria | 25 (64.1) | 1 | 24 (55.8) | 0 | 0.445 |
| Diagnosis, n (%) | |||||
| Cardiovascular | 3 (7.5) | 4 (9.3) | 0.771 | ||
| Hematological | 7 (17.5) | 0 (0) | 0.006 | ||
| Neurological | 5 (12.5) | 3 (7.0) | 0.400 | ||
| Pneumonia | 8 (20.0) | 2 (4.7) | 0.037 | ||
| Septicemia | 14 (35.0) | 6 (14.0) | 0.027 | ||
| Postoperative complications | 13 (32.5) | 16 (37.2) | 0.658 | ||
| Trauma | 0 (0) | 19 (44.2) | < 0.001 | ||
| Others | 14 (35.0) | 9 (20.9) | 0.156 | ||
| CRP, mean (95% CI) | 143.4 (113.7–173.2) | 0 | 232.7 (195.3–270.1) | 0 | 0.000 |
| S‐creatinine (μmol/l), mean (95% CI) | |||||
| Total average | 138.4 (91.9–184.9) | 0 | 133.9 (102.8–165.0) | 0 | 0.869 |
| CRRT | 216.8 (109.1–324.6) | 185.8 (130.3–241.3) | 0.570 | ||
| Non‐CRRT | 86.1 (67.2–105.1) | 88.7 (66.2–111.3) | 0.855 | ||
| S‐bilirubin (μmol/l), median, (IQR) | 43.0 (10.0–131.0) | 1 | 15.0 (9.0–34.0) | 0 | 0.035 |
CI, Confidence interval; RH, Rikshospitalet; UUS, Ullevaal Hospital; SAPS, Simplified Acute Physiological Score; CRRT, continuous renal replacement therapy; AKI, acute kidney injury; RIFLE, Risk, Injury, and Failure; and Loss; and End‐stage kidney disease; IQR, inter‐quartile range.