BioMed Research International / 2020 / Article / Tab 4

Research Article

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.

AUCSensitivitySpecificityStandard deviation95% CI

Training set
 Uric acid0.8500.8990.6810.0230.805-0.895
 Serum creatinine0.8810.7340.9190.0250.833-0.929
 Uric acid+creatinine0.9170.8230.8710.0190.880-0.954
 Model 10.9350.8990.8330.0160.903-0.967
 GCS0.6860.3760.9240.0300.627-0.745
Validation set
 Uric acid0.8690.9090.7710.0350.801-0.938
 Serum creatinine0.8680.7730.8800.0420.785-0.951
 Uric acid+creatinine0.9050.7730.9040.0350.836-0.974
 Model 10.9000.7730.8800.0360.829-0.971
 GCS0.6100.7830.4760.0690.475-0.745

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.

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