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Insights into Imaging

Table 2 JAFROC figure of merit and FPPI of the DLD system and observers

From: The diagnostic performance and clinical value of deep learning-based nodule detection system concerning influence of location of pulmonary nodule

 

JAFROC figure of merit

FPPI

Session 1

p-value (vs. DLD)

Session 2

p-value (vs. session 1)

Session 1

Session 2

p-value

DLD system

0.836

   

0.20

  

Thoracic radiologists

0.895

0.006*

0.932

< 0.001*

0.17 (104/600)

0.12 (73/600)

< 0.001*

Non-thoracic radiologists

0.850

0.777

0.860

> 0.999

0.12 (72/600)

0.08 (47/600)

< 0.001*

Radiology residents

0.806

0.204

0.862

0.009*

0.19 (232/1200)

0.12 (140/1200)

< 0.001*

  1. DLD Deep learning-based nodule detection, FPPI False-positive findings per image, JAFROC Jackknife alternative free-response receiver operating characteristic
  2. *p < 0.05 was regarded as statistically significant. For group-averaged comparison, corrected p-values are presented (multiplied by 3)
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