Fig 1.
Selection of articles by PRISMA flow diagram
Table 1.
Characteristics of articles reporting outcome prediction models for acute kidney injury.
Table 2.
AKI definitions, exclusion criteria and follow-up of articles reporting outcome prediction models for acute kidney injury.
Table 3.
Quality assessment for articles reporting outcome prediction models for acute kidney injury.
Table 4.
Characteristics of external validation studies for acute kidney injury outcome prediction models.
Fig 2.
Area under the receiver operating characteristic curves (AUROC) for hospital mortality reported in the original articles and external validation studies.
Black horizontal bars: AUROC in original studies, gray columns: AUROC in external validation studies.
Table 5.
Variables included in more than one prediction model and their odds ratios / p values.