| Preadmission serum creatinine |
---|
No AKI | 1 | 2 | 3 | total |
---|
First SCr | No AKI | 370 | 7 | 4 | 5 | 386 |
1 | 3 | 64 | 10 | 1 | 78 |
2 | 0 | 3 | 6 | 2 | 11 |
3 | 0 | 0 | 2 | 21 | 23 |
| Total | 373 | 74 | 22 | 29 | 498 |
- Kappa 0.811 (95% CI 0.756-0.866)
- Misclassification rate was 7.4% (overestimation 1.6% and underestimation 5.8%) - McNemar p = 0.02
-
p < 0.01 represented significant difference, with the Bonferroni correction