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Table 4 Performance of the models based on clinical features alone, Rad-score alone, and both

From: Development of a simplified model and nomogram in preoperative diagnosis of pediatric chronic cholangitis with pancreaticobiliary maljunction using clinical variables and MRI radiomics

Models

Training cohort (N = 100)

    

Validation cohort (N = 44)

    
 

AUC (95% CI)

ACC

SEN

SPE

Delong

AUC (95% CI)

ACC

SEN

SPE

Delong

Clinical

0.767 (0.673–0.860)

0.743

0.641

0.787

0.138#

0.731 (0.577–0.885)

0.718

0.588

0.815

0.251#

Rad-score

0.855 (0.781–0.929)

0.735

0.949

0.590

0.136##

0.834 (0.716–0.953)

0.727

1

0.556

0.577##

Combined

0.891 (0.830–0.952)

0.805

0.897

0.738

0.002###

0.858 (0.745–0.972)

0.814

0.882

0.741

0.028###

  1. AUC area under the curve; CI confidence interval; ACC accuracy; SEN sensitivity; SPE specificity
  2. #Clinical versus Rad-score
  3. ##Rad-score versus combined
  4. ###Combined versus clinical