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Risk of Acute Kidney Injury in the Propensity Score-Matched Groups
| Primary Outcomes | Nonenhanced CT, n (%) | Enhanced CT, n (%) | OR | 95% CI | p |
|---|---|---|---|---|---|
| AKI stages 1–3 | 2199 (5.1) | 1989 (4.6) | 0.899 | 0.845–0.958 | 0.001 |
| AKI stage 3 | 427 (1.0) | 493 (1.1) | 1.156 | 1.013–1.320 | 0.031 |
| Contrast-induced nephropathy | 3889 (9.0) | 3669 (8.5) | 0.938 | 0.895–0.984 | 0.008 |
AKI = acute kidney injury, OR = odds ratio.
