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.

BioMed Research International

The Predictive Value of Serum Uric Acid on Acute Kidney Injury following Traumatic Brain Injury

Table 4