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Table 4 Comparison of the SUVR and model to with Bootstrap test, IDI and NRI

From: Multiparameter diagnostic model based on 18F-FDG PET metabolic parameters and clinical variables can differentiate nonmetastatic gallbladder cancer and cholecystitis

Variable

Bootstrap test

IDI

95%CI

P

NRI

95%CI

P

 

D

P

      

Model vs. SUVR

4.35

< 0.001

0.369

0.246–0.491

< 0.001

0.426

0.160–0.692

< 0.001

  1. Model: Cholecystolithiasis plus Fever plus CEA > 5ng/ml plus SUVR
  2. IDI Integrated discrimination improvement, NRI Net reclassification improvement (categorical), CI Confidence interval