Table 3.
Multivariate models in FINNAKI
| Univariate ORa (95% CI) | Multivariate ORa (95% CI) | Pseudo R2 | H-L GoF |
p-value H-L |
AUROC | 95% CI | |
|---|---|---|---|---|---|---|---|
| Original model | 0.15 | 8.22 | 0.41 | 0.76 | 0.74–0.78 | ||
| (A) Presence of AKIb | 2.35 (1.96–2.81) | 1.94 (1.59–2.37) | 0.16 | 8.54 | 0.38 | 0.77 | 0.75–0.79 |
| (B) Severity of AKIb | 1.45 (1.35–1.57) | 1.37 (1.25–1.49) | 0.16 | 7.26 | 0.51 | 0.77 | 0.75–0.79 |
| (C) Duration of AKIb | 3.46 (2.74–4.37) | 2.74 (2.10–3.57) | 0.16 | 5.93 | 0.65 | 0.77 | 0.75–0.79 |
| (D) AKI burdenb | 4.97 (3.65–6.77) | 4.56 (3.22–6.53) | 0.17 | 10.71 | 0.22 | 0.78 | 0.76–0.80 |
Abbreviations: AKI Acute Kidney Injury, OR Odds Ratio, CI Confidence Interval, H-L Hosmer Lemeshow, GoF Goodness of Fit, AUROC Area under the receiver operating curve.aOR of the different methods for AKI in the corresponding model, which were categorical (A and B), or per additional day or point (C and D). bModel A, B and C included 2732 patients, Model D included 2707 patients