The Predictive Value of Serum Uric Acid on Acute Kidney Injury following Traumatic Brain Injury
Table 4
Comparisons of the AUC value of different factors and models to predict AKI in the training cohort and validation cohort.
AUC
Sensitivity
Specificity
Standard deviation
95% CI
Training set
Uric acid
0.850
0.899
0.681
0.023
0.805-0.895
Serum creatinine
0.881
0.734
0.919
0.025
0.833-0.929
Uric acid+creatinine
0.917
0.823
0.871
0.019
0.880-0.954
Model 1
0.935
0.899
0.833
0.016
0.903-0.967
GCS
0.686
0.376
0.924
0.030
0.627-0.745
Validation set
Uric acid
0.869
0.909
0.771
0.035
0.801-0.938
Serum creatinine
0.868
0.773
0.880
0.042
0.785-0.951
Uric acid+creatinine
0.905
0.773
0.904
0.035
0.836-0.974
Model 1
0.900
0.773
0.880
0.036
0.829-0.971
GCS
0.610
0.783
0.476
0.069
0.475-0.745
GCS: Glasgow Coma Scale; AUC: area under the ROC curve; CI: confidence interval. Model 1 is composed of heart rate, shock, serum creatinine, and uric acid.
