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Associations between AKI and mortality and length of stay
| Level | AKI negative | AKI positive | P value | |
| N | 14 064 | 1090 | ||
| 30-day mortality (%) | Survived | 13 846 (98.4) | 992 (91.0) | <0.001 |
| Died | 218 (1.6) | 98 (9.0) | ||
| 90-day mortality (%) | Survived | 13 451 (95.6) | 930 (85.3) | <0.001 |
| Died | 613 (4.4) | 160 (14.7) | ||
| 365-day mortality (%) | Survived | 12 354 (87.8) | 838 (76.9) | <0.001 |
| Died | 1710 (12.2) | 252 (23.1) | ||
| Length of stay (median (IQR)) | 3.00 (2.00–6.00) | 7.00 (4.00–13.00) | <0.001 |
AKI, acute kidney injury.
