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Table 5 Comparison of the SUVR and different models to with DeLong’s test, IDI and NRI

From: Multiparameter diagnostic model based on 18F-FDG PET and clinical characteristics can differentiate thymic epithelial tumors from thymic lymphomas

Variable

DeLong’s test

IDI

95%CI

P

NRI

95%CI

P

Z

P

Model 3 vs. SUVR

3.87

<0.001

0.271

0.204–0.337

<0.001

0.338

0.186–0.490

<0.001

Model 3 vs. Model 1

2.45

0.014

0.093

0.050–0.136

<0.001

0.077

−0.027-0.181

0.148

Model 3 vs. Model 2

2.28

0.022

0.095

0.052–0.138

<0.001

0.163

0.039–0.287

0.010

  1. Model 1: Age plus SUVR
  2. Model 2: Symptoms plus SUVR
  3. Model 3: Age plus Symptoms plus SUVR
  4. IDI Integrated discrimination improvement, NRI Net reclassification improvement (categorical), CI Confidence interval
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BMC Cancer

ISSN: 1471-2407

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