Baseline characteristics of patients with AKI.
| Characteristics | 2011 (n = 100) | 2013 (n = 92) | p value |
|---|---|---|---|
| Mean age, years (SD) | 71.9 (18.7) | 68.5 (17.1) | 0.20 |
| Male gender, n (%) | 54 (54) | 47 (51) | 0.69 |
| Mean baseline creatinine where known, μmol/L (SD) | 112.2 (88.9) | 101.1 (60.0) | 0.38 |
| Admitted under medical specialty, n (%) | 63 (63) | 58 (63) | 1 |
| Admitted under surgical specialty, n (%) | 35 (35) | 34 (37) | 0.78 |
| Median AKI risk factors, n (IQR) | 2 (1–2) | 2 (1–3) | 0.007 |
AKI = acute kidney injury; IQR = interquartile range; SD = standard deviation.