Table 1. Characteristics of patients by severe AKI status.
| Severe AKI (n = 66) | No severe AKI (n = 46) | P value | |
| Demographic characteristics | |||
| Age (yr) | 44 (33–56) | 34 (24–45) | 0.002 |
| Male sex | 57 (86%) | 41 (89%) | 0.663 |
| Hematological markers | |||
| Admission platelet count (×109/L) | 24 (11–31) | 51 (36–73) | <0.0001 |
| Nadir platelet count (×109/L) | 14 (9–25) | 45 (34–68) | <0.0001 |
| Admission leukocyte count (×109/L) | 17.9 (11.5–25.1) | 11.5 (8.0–15.9) | 0.001 |
| Peak leukocyte count (×109/L) | 21.3 (15.3–31.4) | 15.5 (10.4–21.2) | 0.0001 |
| Nadir hematocrit (%) | 29.5 (24.4–32.8) | 36.9 (35.0–38.9) | <0.0001 |
| Renal function | |||
| Peak blood urea nitrogen (mmol/L) | 30.2 (25.9–35.4) | 11.3 (7.6–16.1) | <0.0001 |
| Peak serum creatinine (µmol/L) | 729 (539–956) | 181 (132–240) | <0.0001 |
| Peak uric acid (µmol/L) | 511 (392–630) | 549 (467–659) | 0.185 |
| Clinical records | |||
| Shock | 16 (24%) | 4 (9%) | 0.035 |
| Proteinuria | 60 (91%) | 41 (89%) | 0.758 |
| Hematuria | 47 (71%) | 10 (22%) | <0.0001 |
| Dialysis required | 57 (86%) | 0 (0%) | <0.0001 |
| Length of hospital stay (days) | 21 (14–29) | 9 (7–11) | <0.0001 |
Data are median (IQR) or number (%).