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Table 4 Predictive performance of the three scores in the treatment response of neoadjuvant chemotherapy for gastric cancer in the validation cohort

From: CT-based radiomics scores predict response to neoadjuvant chemotherapy and survival in patients with gastric cancer

 

Cut-off

ACC

SEN

SPE

PPV

NPV

–

ACC

P

SEN

P

SPE

P

PPV

P

NPV

P

rad_score

0.516

0.81

–

0.75

–

0.88

–

0.86

–

0.78

–

clinical_score

0.462

0.63

0.11

0.75

1.00

0.50

< 0.01

0.60

0.02

0.67

0.32

rad_clinical score

−0.651

0.69

0.26

0.88

0.18

0.50

< 0.01

0.64

0.04

0.80

0.84

  1. Abbreviations: ACC accuracy, SEN sensitivity, SPE specificity, PPV positive predictive value, NPV negative predictive value