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Comparison of proportions in PS-matched patients by normal kidney function, mild AKI and moderate-to-severe AKI according to vitamin B12 level
| Group | Normal vitamin B12 (200–900 pg/mL) | High vitamin B12 (>900 pg/mL) | P value |
| n | 99 | 99 | 0.015 |
| Normal kidney function | 88 (88.9%) | 72 (72.7%) | |
| Mild AKI (stage 1) | 8 (8.1%) | 19 (19.2%) | |
| Moderate-to-severe AKI (stage 2/3) | 3 (3.0%) | 8 (8.1%) |
Values are frequencies (percentage).
AKI, acute kidney injury; PS, propensity score.
